# List of Australian diarists of World War I (O-Z)

This is part of the list of Australian diarists of World War I, covering diarists with family names beginning with "O" through to "Z". List of A-G and H-N.
| Name | Rank | Town of Origin | Date of enlistment | Age at enlistment | Theatres | Unit | Notes |
| O'Donnell, James Francis | Sergeant | Sydney | 18 May 1916 | 30 | France and Belgium | 30th Battalion | Served in the 30th Battalion, 8th Brigade |
| O'Hare, Ambrose | Lance Sergeant | Harbord | 15 Apr 1915 | 38 | New Guinea, Egypt, Gallipoli, France | | Served in the Australian Naval and Military Expeditionary Force, and later the 19th Battalion |
| Olsson, William Frederick | Private | Coogee | 17 Jan 1916 | 30 | | 1st Pioneer Battalion | Served in the 1st Pioneer Battalion, 4th Reinforcement |
| Osborne, William Toovey | Mechanical Transport Driver | Rockhampton, Qld | 29 Feb 1916 | 24 | France and Belgium | 6th Motor Transport Company | |
| Ottery, William Charles | Sergeant | | 16 Feb 1917 | | France | 60th Battalion | |
| Ottway, Lancelot | Sergeant | Inverell, NSW | 3 Nov 1915 | 21 | France, Belgium | | |
| Owen, Philip Ernest | Private | Penshurst NSW | 30 Nov 1916 | 29 | | 1st Pioneer Battalion 17th Infantry Battalion | Served in the 1st Pioneer Battalion, 9th Reinforcement and the 17th Infantry Battalion |
| Oxman, George | Sapper | Wollongong, NSW | 27 Mar 1916 | 30 | | 3rd Tunnelling Company | |
| Pain, Harry Ormond | Private | Kensington, VIC | 16 Mar 1915 | | Western Front | 24th Battalion | |
| Palmer, Joseph Adam | Private | Raymond Terrace, NSW | 8 Dec 1915 | 18 | France | 34th Battalion | |
| Panton, Alan Clement | Driver | Molonglo, ACT | 19 Aug 1914 | | | Royal Australian Army Service Corps | |
| Parker, Harold Hill | Private | Emerald, VIC | 1915 | | France | 58th Battalion | Killed in action on 26 Sep 1917 at Ypres. |
| Parkes, Stanley Thomas | Captain | Melbourne, VIC | | | Gallipoli | 3rd Light Horse Field Ambulance | |
| Parramore, George William | Captain | | 17 Jul 1917 | | France, Belgium | Royal Australian Army Medical Corps | |
| Parsons, Henry Joseph | | Leichhardt, NSW | 2 Jul 1916 | 22 | France | 13th Battalion | Served in the 13th Battalion, 21st Reinforcement until taken prisoner at Reincourt on 11 Apr 1917 during the First Battle of Bullecourt |
| Partridge, Darrell John | Sergeant | Dungog | 28 Aug 1914 | 23 | Egypt, Gallipoli, France | Australian Army Medical Corps | Awarded the Military Medal for his service at the Battle of Bullecourt |
| Paterson, Andrew Barton (Banjo) | | Sydney, NSW | 13 Oct 1915 | 49 | Middle East | | In command of the Australian Remount Squadron from Oct 1916 to mid-1919 |
| Patton, James Valentine | | | | | France, Palestine | | Army chaplain |
| Paull, H. | | | | | Gallipoli, France, Belgium | 1st Australian Field Artillery 3rd Brigade Ammunition Column 1st Divisional Ammunition Column 36th Battery Australian Heavy Artillery | Served in the 1st Australian Field Artillery, the 3rd Brigade Ammunition Column, the 3rd Section, 1st Divisional Ammunition Column, and the 36th Battery Australian Heavy Artillery |
| Paull, Peter Raphael | Captain | | 22 Sep 1914 | | Gallipoli | 16th Battalion | |
| Peach, William Edward | Sergeant | Beechworth, VIC | | | | 7th Battalion | Awarded the Military Medal |
| Peacock, Ashley Royden | Private | | | | France | 13th Battalion | |
| Pearce, Maurice Evelyn | 2nd Lieutenant | Orange, NSW | 8 Mar 1915 | 25 | Egypt, Gallipoli, Sinai peninsula | 1st Light Horse Brigade | |
| Pearce, Norman Lee | Gunner | Hillston, NSW | 6 Apr 1915 | 23 | Gallipoli, France | 5th Field Ambulance Unit 13th Field Artillery Brigade | Fought at the Battle of the Somme. He was killed on 20 Nov 1916 |
| Pearson, William | Lance Corporal | Leichhardt, NSW | 14 Aug 1915 | 22 | France, Belgium | | |
| Penty, Robert E. | Private | | | | France | 18th Battalion | Died in 1916 |
| Perry, Stanley Llewellyn | Lieutenant Colonel | Sydney, NSW | | | Middle East, France | 45th Battalion | |
| Peters, Charles Harold | Captain | Heidelberg, Victoria | 21 Jul 1916 | 27 | France | 38th Battalion | Awarded the Military Cross and Bar for bravery while serving at Armentières and his actions while serving at the Hindenburg Line |
| Petersen, Jens | Private | Paddington | 26 Oct 1917 | 25 | France | | |
| Peterson, William | Sergeant | Warwick, Qld | 23 Aug 1914 | 33 | Egypt, Gallipoli, Sinai peninsula | 2nd Light Horse Brigade | Served in the 2nd Light Horse Brigade until wounded in the Battle of Rafa on 16 Apr 1917 |
| Pflaum, Theodor Milton | Second Lieutenant | Birdwood, SA | 21 Jul 1915 | 19 | France | 32nd Battalion | |
| Phelps, Edwin Walter | Private | Ryde, NSW | 20 Apr 1916 | 15 | France, Germany (POW) | 45th Battalion 13th Battalion | Served in the 45th and 13th Battalions until wounded and taken prisoner in Apr 1917 |
| Pickup, Robert Samuel | Captain | Aurburn, NSW | 18 Aug 1915 | 16 | Egypt, France | 45th Battalion | |
| Pidcock, John William | Lieutenant | Tatham, NSW | 1 Sep 1914 | 21 | Gallipoli, Egypt | 4th Division 42nd Battery Australian Field Artillery Royal Australian Army Medical Corps | |
| Pillow, Roy Nelson | Cadet | Geelong, VIC | 6 Aug 1915 | 20 | | 3rd Casualty Clearing Station Australian Flying Corps | |
| Pitcher, Albert James | Sergeant | | 13 Mar 1915 | | Egypt, Gallipoli | 24th Battalion | |
| Pitman, Elsie C. W. | | | | | | | |
| Plummer, Horace Sydney "Syd" | Colonel | | | | | 6th Battalion | |
| Poate, Hugh Raymond Guy | Lieutenant Colonel | | 24 Aug 1914 | 20 | Gallipoli | 1st Field Ambulance | |
| Pockley, Brian Coldin-Antill | Captain | North Sydney | 17 Aug 1914 | 24 | | | Killed in action on 11 Sep 1914 while serving in the Australian Naval and Military Expeditionary Force. He was the first Australian officer to be killed in action during World War I |
| Pointon, Percy Charles | | | | | | 11th Light Horse Regiment | |
| Polinelli, L. | Private | | | | France | 21st Battalion | |
| Pollitt, William Alexander | Driver | | | | | 1st Field Ambulance | |
| Poole, Stodart A. | Private | | | | France | 1st Field Ambulance | |
| Potter, Reynold Cleve | Private | Glen Innes, NSW | 5 Aug 1916 | 28 | France, Belgium | 21st Battalion | |
| Poulton, James William | Private | Ipswich, QLD | 4 Jan 1916 | 24 | France | 13th Field Ambulance | |
| Powell, Thomas Henry Norman | Lieutenant | Warrnambool, VIC | | | Gallipoli | 2nd Field Ambulance | Died in 1917 |
| Powell, William Hope | | | | | | | Served in the Royal Australian Navy on HMAS Encounter and HMAS Australia. As a wireless telegraphist on HMAS Encounter, he may have been the first on board to receive the notice that war had been declared. |
| Priest, Percy A. | Private | | | | France | 5th Machine Gun Company | |
| Pringle, Robert | Private | | | | | 15th Brigade | |
| Probert, Keith J. | Lieutenant | Broken Hill, NSW | 19 Aug 1914 | 20 | | | |
| Pryce, Henry Weston | | Cooma, NSW | 8 May 1916 | 25 | | 23rd Machine Gun Company | |
| Pybus, R. K. | Major | | | | | 43rd Battery Australian Field Artillery | Died in 1917 |
| Pye, Joseph Henry | | Mudgee, NSW | 3 Dec 1914 | 42 | France and Belgium | | Served in the 5th Divisional train, 5th Field Bakery |
| Pyke, Arthur Richard | | | 14 Sep 1914 | 27 | Egypt, Gallipoli | | |
| Quinane, Patrick J. | Trooper | | | | Gallipoli | 7th Light Horse Regiment | |
| John Norman Radcliffe | | Brisbane | | | | | |
| Rainsford, Walter Bruce | | Sydney, NSW | 15 Oct 1914 | 18 | Egypt France | 14th Field Ambulance | Served in the Australian Army Medical Corps and the 14th Field Ambulance |
| Ralston, Alexander | Lieutenant Colonel | Croyden, NSW | 7 May 1915 | 30 | | Australian Naval and Military Expeditionary Force 2nd Machine Gun Battalion | Commanded the 2nd Machine Gun Battalion |
| Ramsay, Robert A. | | | | | | | |
| Ranford, Joseph Marmion | Sergeant | Port Adelaide, SA | | | Egypt, Gallipoli | 3rd Light Horse Regiment | Killed in action on 4 Aug 1916 |
| Ransom, Herbert William | Private | | | | Gallipoli | 6th Battalion | |
| Raven, William George | Lance Sergeant | | | | France, Egypt | 29th Battalion 5th Pioneer Battalion | |
| Archibald Hewland Raymond | Captain | Brisbane | | | Gallipoli, France | 2nd Brigade, Australian Field Artillery | Son of Alfred John Raymond. Killed in action 3 March 1917 near Albert, Somme, France |
| Read, Clarence Hansby | Lieutenant | Bellevue Hill | 11 Aug 1914 | | New Guinea | | Served in the Royal Naval Reserve |
| Redford, Thomas Harold | Major | Warrnambool, VIC | | | | 8th Light Horse Regiment | Killed in action on 7 Aug 1915. After his death, Major William McGrath (also of the 8th Light Horse Regiment) is believed to have used Redford's diary |
| Reed, Frederick Garnet | Sapper | Kadina, SA | | | | | Reed recorded entries in his diary in Aug 1917, and the diary was then used by Eric Madden |
| Rees, James R. (Jim) | Private | | | | | | |
| Rees, Katie (Kate) | Sister | | | | | Australian Army Nursing Service | |
| Rees, Wilfred Benjamin | Gunner | Penrith, NSW | | | | Ammunition columns | |
| Reiach, James | | | | | | Royal Australian Army Medical Corps | |
| Reid, George L. | | | | | England, France | 3rd Squadron Australian Flying Corps | |
| Reid, John Anderson | Private | | | | Egypt, Gallipoli, France | 23rd Battalion | |
| Reid, John | Corporal | Hawthorn, VIC | | | France | 22nd Battalion | Killed in action on 5 Aug 1916 |
| Reid, W. | | | | | | 16th Battalion | |
| Reilly, Andrew | Corporal | | | | Gallipoli, Western Front | 2nd Field Company | Awarded the Military Medal on 5 Jul 1918 |
| Reynolds, Herbert Vincent | Private | | | | Gallipoli, France | 1st Field Ambulance | Served as a stretcher bearer |
| Reynolds, Wynfrith | Private | Hobart, TAS | 1 Sep 1914 | 33 | Egypt, Gallipoli | 3rd Australian Light Horse | Served in C Squadron, 3rd Australian Light Horse |
| Rhodes, Oscar | Corporal | Sydney, NSW | 26 Apr 1915 | 27 | Egypt, Gallipoli, France | 20th Battalion | Served in the 20th Battalion until he was wounded in action at Butte de Warlencourt on 25 Feb 1917 and lost his left leg |
| Richards, Roy | | Homebush, NSW | 2 Mar 1915 | 21 | | 19th Battalion | Served in the 19th Battalion, 5th Australian Machine Gun Company. He died on 26 Nov 1916 after being wounded on 6 Nov 1916 |
| Richards, Samuel Jabez | Major | Mount Morgan, Qld | 26 Oct 1914 | 50 | | 1st Australian Clearing Hospital, Hospital Ship Sicilia | Served with the First Australian Clearing Hospital in Egypt and on the hospital ship Sicilia at Gallipoli until he died of pneumonia on 21 Jul 1915 |
| Richards, Thomas James "Rusty" | Lieutenant | Armidale, NSW | | | Gallipoli, Western Front | 1st Battalion | Awarded the Military Cross at Bullecourt |
| Richardson, Leslie Duncan Richardson | | Adelaide, SA | 20 Jun 1915 | 23 | Turkey | 1st Light Horse regiment | Served in the 1st Light Horse regiment until captured by the Turks in Aug 1916 |
| Richmond, Daisy Donaldson | Sister | | 21 Nov 1914 | 31 | Egypt, France | Australian Army Nursing Service. No 2 Australian General Hospital | Mentioned in dispatches, and was awarded Associate of the Royal Red Cross |
| Riddell, Clarence | Corporal | Elsternwick, Victoria | 6 Apr 1916 | 24 | Gallipoli | | Served in the 4th Field Company of Engineers |
| Riddle, A. | Corporal | | | | | Australian Naval and Military Expeditionary Force | |
| Rider, Edwin | Private | Waterloo, NSW | 6 Jan 1915 | 21 | Gallipoli | 4th Battalion | Wounded on 11 Aug 1915 at Lone Pine |
| Ridge, Victor Farran | | | | | France | 37th Battalion | |
| Riley, Frederick | | | | | Pacific, Rabaul, Africa | | Chaplain on board HMAS Australia |
| Roberts, Clarence Rupert | Corporal | Ballarat, VIC | 18 Aug 1914 | | Gallipoli | 8th Battalion | Died on 13 Aug 1915 after being wounded at Lone Pine |
| Roberts, E. G. | | | | | Western Front | 1st Squadron Australian Flying Corps | |
| Roberts, Francis William | | Upper Hawthorn, VIC | 1 May 1916 | 27 | France | 21st Battalion | Served in the 21st Battalion, 6th Brigade, 2nd Division until killed in action at Mont St Quentin on 1 Sep 1918 |
| Roberts, G. D. | | | | | | Gallipoli | Served on the SS City of Benares |
| Robertson, Cameron Desaile | | Rozelle, NSW | 17 Aug 1914 | 19 | Gallipoli, France | 4th Pioneer Battalion | Served in the 4th Pioneer Battalion and was awarded the Military Cross for his actions at Gueudecourt in Nov and Dec 1916 |
| Robertson, Otto | | Moore Park, Sydney, NSW | 5 Oct 1916 | 23 | | | Served with the Auxiliary Mechanical Transport Company 2 |
| Rodda, Arthur Leslie | | Bourke, NSW | 12 Oct 1916 | 28 | France, Belgium | 35th Battalion | Served in the 35th Battalion under hospitalised in Oct 1917 |
| Rodgers, Robert T | Sergeant | | | | Egypt, France | 12th Field Artillery Brigade 45th Battery Australian Field Artillery | |
| Rogers, John David | Brigadier | Penguin, TAS | | | Egypt, France | 6th Battalion | |
| Rogers, Robert Cornelius | Private | Swan Hill, VIC | | | France, Belgium | 15th Brigade 57th Battalion | Died in 1917 |
| Rose, Geoffrey | | Petersham, NSW | 24 Aug 1916 | 20 | France, Belgium | 30th Battalion | Served in the 30th Battalion, 11th Reinforcement |
| Rose, Thomas James | Lance Corporal | | | | France | 36th Battalion | |
| Rosenthal, Sir Charles | Major-General | Gordon, Sydney | 25 Aug 1914 | 39 | Gallipoli, France, Belgium | 3rd Field Artillery Brigade | Commanding officer of the 3rd Field Artillery Brigade, and later the artillery of the 4th Division, the 9th Infantry Brigade, and the 2nd Division. |
| Ross, Donald Rutherford | Private | | | | France | 23rd Battalion | |
| Ross, Dudley Bruce | Gunner | North Adelaide, SA | | | France | 13th Field Artillery Brigade | |
| Ross, Ronald Campbell | Sergeant | | | | Gallipoli, Middle East | 8th Light Horse Regiment | |
| Ross-King, Alice | Major | Ballarat, VIC | | | | 1 Australian General Hospital Australian Army Nursing Service | While working at the 2nd Casualty Clearing Station she was awarded a Military Medal |
| Rostron, A. | Private | | | | | 1st Battalion | Died in 1918 |
| Roth, Reuter Emerich | | | | | Gallipoli, Middle East | 5th Field Ambulance | Created a Companion of the Most Distinguished Order of Saint Michael and Saint George in 1917 |
| Rouget, Arthur James | Private | | | | Gallipoli, France | 13th Light Horse Regiment | |
| Routledge, Howard | Gunner | Prahran, VIC | | | | 114th Howitzer Battery | |
| Rowe, Roy | Warrant Officer Class 1 | Newstead, VIC | | | | 14th Australian General Hospital 2nd Stationary Hospital | |
| Russell, George | | | | | France | | |
| Russell, Thomas A. | | | | | | | Served on HMAS Australia |
| Ryder, W. C. | Corporal | | | | France | 7th Field Artillery Brigade | |
| Saber, Alan M. | Private | | | | Western Front | 21st Battalion | |
| Sadler, Rupert Markham | Lieutenant Colonel | Paddington, NSW | | | | 17th Battalion | |
| Samson, P. G. | Private | | 20 Mar 1916 | | France | 10th Field Ambulance | Served in the 10th Field Ambulance and the 2nd Casualty Clearing Station |
| Sanders, H. T. (Tom) | Private | | | | | 7th Field Ambulance | |
| Sandilands, Christopher | Sergeant | | | | France | 16th Battalion | |
| Saunders, William Hilton | | Goodooga, NSW | 15 Oct 1915 | 21 | France | 4th Division Ammunition Column | |
| Savige, Stanley George | Captain | Prahran, Victoria | 22 Mar 1915 | 24 | France, Persia | | Awarded the Military Cross at Bullecourt, the Distinguished Service Order at Urmia, and was mentioned in dispatches |
| Schaeffer, Louis E. | Private | Sydney, NSW | 8 Jun 1915 | 20 | Egypt | | Served in the Australian Army Medical Corps as an orderly on the hospital Ship HMAHS Karoola |
| Scheidel, Norman | | Waverley NSW | 22 Mar 1915 | 21 | Gallipoli | 18th Battalion | Served in the 18th Battalion and was killed in action at Gallipoli on 22 Aug 1915 |
| Schwinghammer, Verdi George | | Grafton, NSW | 14 Jul 1916 | 25 | France | 42nd Battalion | |
| Scolyer, Mervyn William | Lance Corporal | | | | France | 40th Battalion | |
| Scott, John Philipson | Private | Sydney, NSW | 26 May 1916 | 30 | France | 45th Battalion | |
| Searcy, John William | Lieutenant | | | | Gallipoli | 10th Battalion | |
| Sexton, Clarence William | Lieutenant | | | | France | 2nd Division | |
| Shearman, Stewart Frederick | Private | | | | France, Belgium | 9th Field Ambulance | |
| Sheidel, N. D. | Private | | | | | Australian Naval and Military Expeditionary Force | |
| Shelley, Max Robert | Lieutenant | Sydney, NSW | | | Western Front | 3rd Squadron Australian Flying Corps | |
| Sheppard, William H. | Captain | | | | | 17th Battalion Australian Naval and Military Expeditionary Force | |
| Sheppeard, Alfred Edward | Lieutenant | | | | Western Front | 5th Division | |
| Sherarer, James H. | Private | | | | France | 15th Battalion | |
| Shirtley, William Frederick "Eric" | Lieutenant | | | | Gallipoli, France | 13th Battalion | Died in 1917 |
| Shoobridge, Frank Sydney | Private | | | | | 2nd Field Ambulance | A stretcher bearer, he was wounded and gassed while assisting injured soldiers |
| Short, George Robert | Lieutenant Colonel | | | | Gallipoli, France | 17th Battalion | |
| Siddeley, S. W. | Corporal | | | | Gallipoli | Australian Army Medical Corps | |
| Silas, Ellis | Private | Cliff Terrace, Perth | 28 Sep 1914 | 30 | Gallipoli | 16th Battalion | Landed at Gallipoli on 25 Apr 1915, and was evacuated in May with shell shock and fever |
| Simmons, William James | | Northcote, Vict | 7 Feb 1916 | 26 | France | | Served at casualty clearing stations |
| Sinclair, Alan Russel Callender | Lieutenant | | | | | Royal Naval Reserve | Served on HMS Princess Margaret |
| Small, Frederick Trouton | Lieutenant | | | | | 3rd Field Company 5th Field Company | |
| Small, William Filmer | | | | | Gallipoli | | |
| Smee, Laurie John | Able Seaman Driver | | | | Gallipoli | 1st Royal Australian Navy Bridging Train | |
| Smith, Arthur Henson | Captain | Castlemaine, Victoria | 31 Aug 1914 | 24 | Egypt, Gallipoli, France, Belgium | 2nd Field Artillery Brigade | |
| Smith, Charles Malcolm | Private | | | | France | 25th Battalion | |
| Smith, Claude Stanley | Private | Newcastle, NSW | 22 Aug 1914 | 28 | Gallipoli | 1st Infantry Brigade | Served in the 1st Infantry Brigade at Gallipoli, landing on 26 Apr 1915, until wounded and hospitalised on 9 Aug 1915 |
| Smith, Eric | Corporal | | | | Gallipoli, France | 27th Battalion | Died in 1916 |
| Smith, Francis Henry | | Marburg, Qld | 13 Oct 1914 | 23 | Palestine | 2nd Light Horse Field Ambulance | |
| Smith, Frederick George | | Maryborough, QLD | | | Gallipoli | 2nd Battalion | Wounded at Gallipoli and died on 8 May 1915 |
| Smith, Harold Edward Benjamin | Second Lieutenant | | | | Western Front | 19th Battalion | Killed in action on 8 Oct 1917 |
| Smith, Harry Joseph Sinclair | Lance Corporal | Balmain, NSW | 22 Aug 1914 | | Gallipoli | 3rd Battalion | Killed in action on 23 Jun 1915 aged 20 |
| Smith, Phillip James | 2nd Lieutenant | | 16 Feb 1915 | | Gallipoli, Western Front | 23rd Battalion | Awarded the Distinguished Service Order. |
| Smith, Romley Rutherford | Sergeant | | | | France | 3rd Pioneer Battalion | |
| Smith, Roy Alfred Walter | Lieutenant | | | | France, Belgium | 19th Battalion Australian Naval and Military Expeditionary Force | Wounded in action and died on 15 Oct 1917 |
| Smith, Syd | Driver | | | | Gallipoli, France | 1st Light Horse Regiment 10th Field Artillery Brigade 38th Battery Australian Field Artillery | |
| Smith, William Hamilton | Lance Corporal | | | | France | 32nd Battalion | |
| Smith, William Joseph | Gunner | | | | France | 7th Field Artillery Brigade | |
| Smithwick, Cedric Leslie | | | 15 Jul 1915 | | | 12th Field Company Engineers | Served with his brothers Richard and Vernon in the 12th Field Company Engineers |
| Smyth, A. McVicker | Private | Sydney, NSW | 24 Jun 1916 | 19 | France | 4th Infantry Battalion | |
| Smyth, Walter | | | | 40 | Western Front | 17th Battalion | |
| Smyth, William Ernest | Private | | 1 Jun 1916 | | | 4th Signal Troop Engineers | |
| Smyth, William Ernest | Private | | | | Middle East | 4th Light Horse Brigade | |
| Smythe, Percy | | | | | Egypt, Gallipoli, France | | |
| Sommers, Jack | Private | Melbourne, VIC | 19 Aug 1914 | 36 | Egypt, Gallipoli, France | | Served in the 1st Division, Australian Army Service Corps |
| Sorrell, J. | | | | | Mesopotamia | 45th Battalion | |
| Spalding, Alfred Lawrence | | | | | Gallipoli | | |
| Sparke, Edward | Lieutenant | Newcastle, NSW | 25 Aug 1914 | 19 | Egypt, Gallipoli and France | 1st Battalion | Wounded at Bullecourt in May 1917 |
| Sparkes, William | | Brisbane | 20 Aug 1914 | 32 | Gallipoli, France | 7th Field Artillery Brigade | |
| Spencer, Cecil Thomas | Trooper | | | | Middle East | 6th Light Horse Regiment | Captured in Mar 1918 |
| Springthorpe, John William | Lieutenant-Colonel | Melbourne | 19 Oct 1914 | 59 | | | Senior Physician at the 2nd Australian General Hospital |
| Spurling, William A. | Corporal | | | | | 50th Battalion | Died in 1917 |
| Stanford, Edgar Roy | Trooper | Orange, NSW | | | Gallipoli | 1st Light Horse Regiment | Wounded at Gallipoli on 1 Jul 1915 when he was shot in the leg. He died on 1 Aug 1915 as a result of complications from surgery to amputate his leg |
| Stead, John William | Private | | | | | 12th Field Company 25th Battalion | Stead gave his diary to Albert Easy in Apr 1916. They served together in the 12th Field Company Engineers. |
| Stephen, John C. | Sapper | | | | Middle East | 3rd Light Horse Brigade | |
| Stephens, Roy A. | | | | | France | 14th Battalion | |
| Stevens, James Arthur | Sergeant | Northcote, VIC | 2 Aug 1915 | | Egypt, France | 58th Battalion | |
| Stevens, James G. | Gunner | | | | Gallipoli, France | 2nd Field Artillery Brigade 5th Battery Australian Field Artillery | |
| Stevenson, Henry Stirling | Lance Corporal | Dubbo, NSW | 22 Aug 1914 | 21 | | 1st Australian Light Horse Brigade | |
| Stevenson, John E. | Captain | | | | Gallipoli, France | 1st Field Company | |
| Stevenson, John | Gunner | | | | France | 45th Battery Australian Field Artillery | |
| Stewart, Albert William John | Lieutenant Colonel | | | | Gallipoli | 8th Light Horse Regiment | |
| Stewart, Daniel Arthur | Private | | | | France, Belgium | 1st Pioneer Battalion | |
| Stewart, David L. | Lance Corporal | | 3 Jul 1915 | | France | 31st Battalion | Served in the 31st Battalion, 114th Howitzer Battery, 25th Field Artillery Brigade, and 115th Howitzer Battery, 25th Field Artillery Brigade. He was killed in action on 22 Aug 1917 |
| Stewart, Robert Joseph | Captain | Parkes NSW | 28 Aug 1914 | 20 | Gallipoli, France | 2nd Battalion 34th Battalion | Served in the B Company, 2nd Battalion, and later A Company, 34th Battalion |
| Stirling, Frank M. | Lieutenant | | | | Gallipoli, France | 29th Battalion | |
| Stobie, Graeme | Captain | | | | Egypt, France | 6th Battalion | |
| Stockdale, William | Lieutenant | | | | Gallipoli, France | | |
| Stockham, Sydney Clezy | Lieutenant | | | | Gallipoli, France | 2nd Machine Gunth Battalion 27th Battalion 5th Battalion | Died in action in 1918 |
| Stone, David James | | | | | Egypt, France | 9th Battalion | |
| Stone, Harold | Private | | 26 Oct 1917 | | | | Worked as an air mechanic in the Australian Flying Corps |
| Storey, William Tyson | Private | | | | Egypt, France | 10th Battalion | |
| Story, G. | Private | | | | Egypt | ANZAC Mounted Division | |
| Story, Gordon | | | 20 Aug 1914 | | | 4th Light Horse Regiment 13th Light Horse Regiment | |
| Stratford, Stanislaus Augine | | | | | Gallipoli | 2nd Light Horse Field Ambulance | |
| Strom, Christine Erica | Staff nurse | Ascot Vale | May 1917 | 25 | Egypt, Greece, England | Australian Army Nursing Service. 66th (British) General Hospital 42nd (British) General Hospital 3rd Australian Auxiliary Hospital | |
| Stroud, Raymond Delbridge | Sapper | | | | Egypt, Gallipoli, France, Belgium | 5th Field Company Engineers | |
| Stuart, Gerald Eugene MacDonald | Lieutenant Colonel | | | | | 3rd Light Horse Field Ambulance | |
| Stuart, Leslie Kemnitz | Private | Goulburn, NSW | 23 Mar 1915 | 20 | Gallipoli France | | |
| Stuart, Peter Fitzalan MacDonald | Private | Rockhamption, QLD | 1 Sep 1914 | 20 | Gallipoli; Western Front, France | 9th Battalion C Company | Killed in action during the Battle of Mouquet Farm on 4 September 1916 |
| Sturdee, Alfred Hobart | Colonel | | | | Egypt, Gallipoli, Lemnos, France, Belgium | Royal Australian Army Medical Corps | Commander of the 2nd Field Ambulance, Australian Imperial Force, at Gallipoli. He was mentioned three times in despatches and awarded the Commander of the Order of St. Michael and St. George in 1916. |
| Sturdee, Vernon Ashton Hobart, Sir | General | Frankston, Victoria | | | Egypt, Gallipoli, France | | |
| Sturrock, Frank | | | | | | 16th Battalion 38th Battalion | |
| Stutley, Sydney James | Corporal | Adelaide, SA | 9 Sep 1915 | 23 | | | Served in the 17th Battery, Australian Field Artillery |
| Sullivan, Edmund Joseph | Private | | | | France | 14th Battalion 46th Battalion | Killed in action on 2 Sep 1916 at Vadencourt Wood |
| Sullivan, Eugene | | Holdsworthy, NSW | 20 Oct 1915 | 23 | Belgium | 9th Field Ambulance | Died on 17 Oct 1917 of wounds received in action |
| Sullivan, Henry Ernest | Private | | | | Palestine | 1st Field Squadron 5th Light Horse Regiment | |
| Surplice, Alexander (Alex) | Lieutenant | | | | Gallipoli | 3rd Light Horse Regiment | |
| Surtees, Herbert | Private | | | | | 2nd Battalion | |
| Sutton, A. F. | Lieutenant | | | | Gallipoli, Western Front | 5th Field Ambulance | |
| Sutton, Alfred | Colonel | | | | Gallipoli, France | 3rd Field Ambulance | |
| Swindells, William | Lance Corporal | | | | Egypt, Gallipoli | 1st Battalion | |
| Sykes, Robert Andrew | Private | | | | France, Belgium | 23rd Battalion, British Expeditionary Force | |
| Symes, Ernest A. | | | | | France | 103rd Battery Australian Field Artillery | |
| Syvertsen, Chris | | | | | | | Served on HMAS Fantome |
| Taylor, Bessie A. | Staff nurse | North Sydney, New South Wales | 3 Aug 1915 | | Western Front | Australian Army Nursing Service. 14 Australian General Hospital and Reinforcements | |
| Taylor, Charles Herbert | Private | | | | France | 34th Battalion | Wounded in Apr 1918 near Villers-Bretonneux |
| Taylor, Harold Burfield | Captain | Longueville, NSW | 5 Aug 1915 | 25 | France, Belgium | 19th Battalion | Awarded the Military Cross in Apr 1917 for his bravery at Lagincourt and a Bar in Oct 1917 |
| Taylor, Thomas | Sapper | Bowral, NSW | 19 Jan 1916 | 19 | France Belgium | 30th Infantry Battalion 5th Signal Company | |
| Tedder, James George | Lieutenant Colonel | Belmore, NSW | 21 Aug 1914 | 51 | Gallipoli | | Present at the first landing of troops at Anzac Cove on 25 Apr 1915 |
| Telfer, George Stanley | Lieutenant | | 20 Aug 1914 | | | 4th Light Horse Regiment 59th Battalion | |
| Terrell, Frederick Leopold | Private | | | | | 27th Battalion | |
| Tesch, Labracht Fredwick Charles | Sergeant | | | | Gallipoli, France, Belgium | 1st Battalion | |
| Theobald, William George Morley | Private | | | | Gallipoli | | Died at Gallipoli on 27 Apr 1915 |
| Thirkell, George Lancelot A. | Captain | | | | Gallipoli, France | Royal Australian Engineers | |
| Thirkell, Robert M. | Captain | | | | France | 12th Battalion | |
| Thomas, Arthur G. | Corporal | | | | Western Front | 6th Battalion | Killed in action on 8 Jun 1918 near Strazeele |
| Thomas, Follet Dawson | | | | | Gallipoli, France | 12th Light Horse Regiment 53rd Battery Australian Field Artillery | |
| Thomas, William Charles | Lieutenant | | | | France | 14th Battalion | |
| Thomas, William | | | | | | 4th Field Ambulance | |
| Thompson, Edgar Allan | Private | | | | Western Front | 21st Battalion | |
| Thompson, Francis Clarke | Captain | | | | Egypt | 2 Light Horse Field Ambulance 2 Australian General Hospital 14 Australian General Hospital | |
| Thompson, Lionel James "Len" | Sapper | | | | France | | |
| Thomson, Bruce Garie | Private | | | | Gallipoli, France | 3rd Field Ambulance 3rd Squadron Australian Flying Corps | Killed on 8 Oct 1918 |
| Thomson, David | Major | | | | | 1st Battalion 14th Battalion 53rd Battalion | |
| Thomson, John 'Jack' William | Lance Corporal | | | | Gallipoli | 14th Battalion | |
| Thorn, Percival | | South Brisbane, Queensland | 7 Jun 1915 | 35 | | 4th Light Horse Regiment | |
| Tiddy, Henry John | Major | | | | Gallipoli | 2nd Light Horse Regiment | |
| Tiegs, A. H. | Lieutenant | | | | Gallipoli | 28th Battalion | Wounded at Gallipoli |
| Titcher, Alan Keith | Lance Sergeant | | | | Western Front | 14th Field Ambulance | |
| Tivey, Edwin | Major General | | | | | 8th Australian Infantry Brigade | |
| Todd, Arthur | Surgeon-Lieutenant | | | | Pacific, Atlantic, New Guinea | | Served on board HMAS Sydney. His diary includes an account of the sinking of SMS Emden |
| Tomlins, Fred Harold | Sergeant | Cobar, NSW | 22 Aug 1914 | 23 | Dardanelles, Egypt | 1st Australian Light Horse Brigade | |
| Tongs, Allan Lorenzo | Sergeant | | 11 Aug 1915 | | | 12th Battalion | |
| Toohey, James | Gunner | South Brisbane, Qld | 7 Sep 1915 | 19 | France and Belgium | Field Artillery Brigade 3, Reinforcements 14 | Two diaries were kept by James Toohey from 1 January 1916 to 30 September 1917. Toohey records his journey from Australia to Egypt on board the RMS Osterley and his war service in France and Belgium, including the Battle of Pozieres on 22 July 1916. Both diaries have been digitised and can be viewed online. |
| Toone, Albert Francis | | Bowral, NSW | | | | 5th Light Horse Brigade | |
| Towers, John | Private | | 27 Jan 1916 | 44 | | 19th Battalion | Injured by shrapnel in May 1917 |
| Traill, Sydney R. | Lieutenant | | | | France | 1st Battalion | |
| Trangmar, Herbert S. | | | | | Gallipoli, France | 24th Battalion 57th Battalion | |
| Tranter, Elsie May | Staff nurse | Fyansford, Victoria | 17 Aug 1916 | 30-31 | England, France | Australian Army Nursing Service | |
| Treloar, John Linton | Lieutenant | | | | Gallipoli, France | 1st Squadron Australian Flying Corps | Commanded the Australian War Records Section from 1917, and a key figure in establishing the Australian War Memorial following the war. His diary was published in 1993. |
| Trevan, Robert B. C. | Lance Sergeant | | | | Western Front | 17th Garrison Battalion 2nd Machine Gunth Battalion 23rd Battalion | |
| Trousselot, Henry E. | Major | | | | Western Front | | |
| Tubb, Frederick Harold | Major | Longwood, VIC | | | Gallipoli, France | 7th Battalion | Served with his brother, Captain Frank Reid Tubb, in the 7th Battalion. He was awarded the Victoria Cross for his service at Gallipoli, and later served in France. He died of wounds received at Pozières on 20 Sep 1917 aged 35. |
| Tuck, Stanley Thomas | | | | | Western Front | 3rd Squadron Australian Flying Corps | |
| Tucker, Henry Frederick | Private | Wallangarra, NSW | 14 Sep 1914 | 36 | Gallipoli, Egypt, Palestine | 6th Light Horse Regiment | |
| Tulloh, Ivan Maclean | Lieutenant | | | | Middle East, Gallipoli, France | 23rd Battalion | |
| Turnbull, John Henry Llewellyn | Driver | | | | Gallipoli, Western Front | 8th Battalion | |
| Turner, Donald Robert | | | | | | | |
| Turner, Harold Percy | Private | | | | France | 2nd Field Ambulance | |
| Turner, Lindsay Robert | Lieutenant | | | | France | 5th Division | |
| Turnley, William E. | Sergeant | | | | Egypt, Gallipoli | 1st Field Company | |
| Twist, Colin Claude | Bombardier | | | | France, Belgium | 18th Battery Australian Field Artillery | |
| Urquhart, Walter James | Major | Hamilton, Qld | 5 Oct 1914 | 20 | Egypt, Sinai, Palestine | Australian and New Zealand Mounted Division | Served in the Australian and New Zealand Mounted Division |
| Veness, Victor George | Captain | | | | Gallipoli, Western Front | 13th Battalion | Captured and held as a German POW at Strobenoor |
| Vick, Frederick Harold | Private | Rockdale, NSW | 24 Jan 1916 | 23 | France | 5th Australian Field Ambulance | |
| Vickery, Hadden Kingston | Private | | | | Gallipoli | 3rd Light Horse Field Ambulance | |
| Vincent, James | Lieutenant | | | | Gallipoli, France, Belgium | 13th Battalion | |
| Vining, Arthur William | | Sydney, NSW | | | France | 1st Australian Siege Battery | |
| Vowles, Rupert T. | Sapper | Mudgee, NSW | 22 Sep 1914 | 21 | Egypt, Sinai, Palestine | 1st Signal Squadron | Initially served on the HMAT Katuna and was discharged in Jan 1915. He re-enlisted pm 22 Aug 1915 and served in the 1st Signal Squadron, Anzac Mounted Division. |
| Walford, Dudley V. | Sergeant | Parramatta, NSW | 23 Sep 1914 | 22 | Gallipoli, Egypt | | |
| Walker, Herbert A. | Sergeant | | | | | 57th Battalion | |
| Wallace, Norman V. | Private | | | | | 48th Battalion | |
| Wallach, Clarence | Captain | | | | Gallipoli | 19th Battalion | Served at Gallipoli until the evacuation in Dec 1915, and as a member of the rear-guard was one of the last to leave |
| Walsh, Leo John | | Inverell, NSW | 8 Oct 1915 | 24 | | 1st Field Artillery Brigade | Wounded in action on 6 Sep 1917 |
| Walther, Bernhardt Hermann | Captain | Murtog, VIC | | | Gallipoli, Palestine, France | 11th Battalion | Part of the first landing at Gallipoli on 25 Apr 1915. He died of wounds received at Pozières on 25 Jul 1916 |
| Walton, Frederick William | | | | | | Royal Australian Navy | Served on HMAS Parramatta |
| Wanliss, Harold Boyd | Captain | | | | Western Front | 14th Battalion | Died in 1917 |
| Ward, Eric Harford | Private | Bathurst, NSW | 8 Oct 1914 | 24 | | 1st Battalion | |
| Ward, Ernest Henry | Private | Sydney, NSW | | | | 4th Battalion | Served in the 4th Battalion, 23rd Reinforcement |
| Ward, Robert David | Private | Roma, QLD | | | Gallipoli | 13th Battalion | Killed in action on 22 Aug 1915 |
| Wardle, Priscilla Isabel | Staff nurse | Ballarat, VIC | | | | | Served in the Queen Alexandra Imperial Military Nursing Service Reserve |
| Warneford, Walter John | | Randwick, NSW | 26 Sep 1914 | 31 | Gallipoli | | |
| Watson, Ernest John | Private | | | | France | 26th Battalion | Wounded in action on 10 Jun 1918 near Morlancourt |
| Watson, Linda | Staff nurse | | 12 Mar 1917 | | Egypt, England | Australian Army Nursing Service | |
| Watson, William | Sergeant | Murwillumbah | 16 Aug 1915 | 25 | France | 31st Battalion | Wounded on 28 Nov 1916 |
| Weaven, Percy F. | Sergeant | | | | Western Front | 38th Battalion | |
| Webb, Ernest Glanville | Driver | | | | | Remount units | |
| Weeks, F. A. | Driver | | | | Gallipoli | Royal Australian Army Service Corps | |
| Weingott, Samuel | | | | | Gallipoli | 1st Battalion | |
| Weir, Frank Valentine | Major | Deniliquin, NSW | 27 Sep 1914 | 36 | | 1st Light Horse Regiment | |
| Wells, Donald Percival | Captain | Tighe's Hill, Newcastle | 4 Sep 1915 | 20 | France | 30th Battalion | Served in the 30th Battalion until taken prisoner at Bullecourt on 11 Apr 1917 |
| Wells, Henry L. | | | | | Western Front | Royal Australian Army Service Corps | |
| West, Arthur | | Sydney, NSW | | | Egypt, Gallipoli | 12th Light Horse Regiment | |
| Weston, Phillip | | Potts Point | 7 Sep 1914 | 28 | | | |
| Wharton, Raymond T. | Private | Sydney, NSW | 28 Apr 1916 | 19 | | 36th Battalion | |
| Wheat, John Harrison | Able Seaman | | | | | | Served on the submarine HMAS AE2 in the Dardanelles until captured and held as a POW from 1915 to 1918 |
| Whettam, Eric | | Lewisham, NSW | 14 Jan 1915 | 19 | | | Served in the 1st Composite Cavalry Regiment, Western Frontier Force, the 15th Field Artillery, and the 6th Field Artillery Brigade |
| White, Arthur Thomas | Colonel | | | | | 3rd Division | |
| White, Thomas Alexander | Captain | Bendigo, VIC | 9 Jun 1916 | 29 | France, Belgium | 13th Battalion | |
| White, Walter | Private | | | | Middle East | 7th Light Horse Regiment | |
| Whitelaw, John Stewart | Lieutenant | | | | Egypt | 7th Battalion | |
| Whyte, Elson Verco | Private | | | | | 6th General Reinforcements | |
| Wilkie, Elliot Lloyd Gordon | Private | | | | Egypt, Gallipoli | 12th Field Artillery Brigade | |
| Wilkins, Gordon | Lieutenant | | | | France | 18th Battalion | Wounded in action at Bullecourt and lost his leg |
| Wilkinson, William (Bill) | Sapper | | | | Western Front | | |
| Williams, George D. | Captain | | | | | Royal Australian Navy | Served on HMAS Australia and HMAS Sydney |
| Williams, Horace Vivian Beresford 'Billy' | | | | | Gallipoli, Western Front | 19th Battalion | |
| Williams, Percy Arthur | Private | | | | | 49th Battalion | |
| Williams, Victor Owen | | Plainby, QLD | | 18 | France | 10th Reinforcements, 47th Battalion 45th Battalion | Wounded in action at the second battle of Dernancourt in April 1918 |
| Williamson, Basil Bruce | | Inverell, NSW | 29 Mar 1915 | 20 | | 18th Battalion | Killed in action at Gallipoli on 22 Aug 1915 |
| Wilmot, Thomas R. | | | | | | | |
| Wilshire, Lionel | | Melbourne, VIC | 7 Sep 1915 | 29 | France | 35th Battalion 36th Battalion | Killed in action on 31 May 1917 |
| Wilshire, Sidney | | Deniliquin, NSW | 26 Feb 1915 | 24 | Egypt, France | 13th Field Artillery Brigade | Killed in action on 31 Jul 1917 at Ypres |
| Wilson, Arthur William | Private | | | | | | |
| Wilson, Arthur | Sapper | | | | France, Belgium | | |
| Wilson, David Temple Palmerston | Lance Corporal | | | | France | 24th Battalion | |
| Wilson, Grace Margaret | Principal Matron | Brisbane, QLD | | | West Mudros and Lemnos, Greece, and Abbeville, France | Australian Army Nursing Service. No. 3 Australian General Hospital | |
| Wilson, J. S. | Lieutenant | | | | Egypt, France | 2nd Division 4th Field Ambulance Royal Australian Artillery | |
| Wilson, John Davison | Corporal | Portland, VIC | 17 Feb 1916 | 40 | | 37th Battalion 39th Battalion | |
| Wilson, John | Private | | | | France | 30th Battalion | |
| Wilson, Neville T. | Sergeant | | | | Gallipoli | 1st Light Horse Regiment | |
| Wilson, Norman C. H. | | | | | Gallipoli | 18th Battalion | |
| Wiltshire, Aubrey | Lieutenant Colonel | Armidale, Melb | 24 Mar 1915 | 24 | Egypt, Gallipoli, France, Belgium | | Awarded the Military Cross and the Distinguished Service Order, and was created a Companion of St Michael and St George |
| Winter, Archibald Thomas | Sergeant | | | | France, England | 55th Battalion | |
| Wood, Bertie Arthur | Corporal | June, NSW | 7 Feb 1916 | 22 | | 56th Battalion | Served in the 56th Battalion, 2nd Reinforcements |
| Woods, Edward Thomas | Sergeant | | | | | 6th Light Horse Regiment | |
| Woods, Harold Vynne | Sergeant | | | | | 4th Field Ambulance | |
| Woolnough, Edgar Oliver | Private | | | | France, Belgium | 21st Battalion 6th Battalion | |
| Worland, Victor Oswald | Private | | | | Gallipoli, Lemnos | 2nd Field Ambulance | |
| Worrall, Edgar Sydney | Corporal | | 17 Jun 1915 | | Gallipoli, France | 24th Battalion | Claims in his diary to have fired the last shot at Lone Pine. He was killed in action in 1917 |
| Worth, William | | Wagga Wagga, NSW | 29 Aug 1914 | 20 | | 3rd Battalion | Gallipoli on 19 May 1915 |
| Wray, Frederick William | Colonel Chaplain | | | | | | Chaplain with the 4th Brigade |
| Wright, Adrian W. | Sergeant | | | | France | 13th Battalion | |
| Wright, Charles R. | Private | | | | Gallipoli | 8th Battalion | |
| Wright, F. C. W. | Corporal | | | | | 1st Light Horse Regiment | |
| Wright, Leslie David | Private | | | | Gallipoli, France | 3rd Battalion | Wounded at Gallipoli on 27 Apr 1915 and carried to safety by John Simpson Kirkpatrick and his donkey Murphy |
| Wright, George James | Corporal | | | | France, Belgium | 10th Battalion | |
| Wright, Walter V. | Private | Wagga Wagga | 14 Nov 1914 | 20 | Gallipoli | 4th Battalion | Awarded the Military Medal for bravery in Nov 1916 |
| Wyatt, Henry Ernest | Corporal | Surry Hills, NSW | | | France | 2nd Battalion | Wounded on 9 Apr 1917 and died two days later |
| Yates, William T. | Captain | | | | Gallipoli, France | 8th Battalion | |
| Yeaman, Wilfred Charles | Private | | | | | 201st Machine Gun Company 46th Battalion | |
| Young, Albert Victor | Sergeant | | | | Gallipoli | 7th Battalion | Died in Alexandria Hospital after being wounded on 8 May 1915 |
| Young, David | Private | Miles, QLD | 31 Oct 1916 | 21 | France | 49th Battalion | Died in action at Sailley-Le-Sec, France |
| Young, James McCall | Gunner | Diamond Creek, VIC | 6 Mar 1917 | 30 | France | 11th Brigade Field Artillery | |
| Young, Norman McLaren | Sergeant | | | | | 13th Battalion 14th Battalion | |
| Young, Sydney B. | Private | Queanbeyan, NSW | 9 Aug 1915 | 21 | France, Belgium | 4th Battalion | Served in the 4th Battalion, 12th Reinforcement |
| Young, William Campbell | Corporal | | | | France | 2nd Machine Gun Company | |