Siryfion Sir Drefaldwyn yn yr 20fed ganrif

Mae hon yn rhestr (anghyflawn) o ddeiliaid swydd Siryf Sir Drefaldwyn rhwng 1900 a 1974

1900au
 1900: Capt. Peter Audley David Arthur LlanerchydolLondon Gazette 6 Mawrth 1900 Tud 1521   adalwyd 10 Gorffennaf 2015
 1901: Arthur Watkin Williams-Wynn, Coed-y-Maen, Meifod
 1902: Hugh Lewis, Glanhafren, Penystrywaid
 1903: John Naylor, Plas Tre'r-llai, Leighton
 1904: Edward Arthur Field Whittel Herbert, Upper Helmsley Hall, Efrog.
 1905: Daniel Wintringham Stable, Plas Llwyn Owen, Llanbrynmair
 1906: Sydney Rankin Heap, Mellington, Yr Ystog
 1907: Hugh Edmund Ethelston Peel, Neuadd Llandrinio
 1908: Arthur Erskin Owen Humphreys-Owen, Glansevern, Aberriw
 1909: Noel James Price Turner, Neuadd Sylfaen, Y Trallwng.
1910au
 1910: Yr Arglwydd Herbert Lionel Vane Tempest-, Y Plas, Machynlleth
 1911: Edward Jones, Maesmawr, Llandinam
 1912: William Henry Burton Swift, Crescent House, Y Drenewydd.
 1913: William John Corbett-Winder, Vaynor, Aberriw
 1914: John Murray Naylor, Leighton
 1915: Reuben Norton
 1916: Major Hugh Edward Bonsall
 1917: John Bancroft Williams, Dolforgan, Ceri
 1918: Reginald Quayle Wilson, Brooklands, Y Trallwng
 1919: Uwchfrigadydd Arthur Edmund Sandbach, Bryngwyn, Llanfechain
1920au
 1920: Uwchgapten Harmood Harmood-Baner, Caerhowel, Trefaldwyn
 1921: Samuel Arthur Sampson, Dysserth, Y Trallwng
 1922: William Henry Perry Leslie, Bryntanat, Llansantffraid
 1923: Pryce Pryce-Edward Jones
 1924: Robert Carey Chapple Gill, Blwchycibau
 1925: Herbert Arthur Openshaw, Brongain, Llanfechain
 1926: Donald Walter Macpherson, Ceri
 1927: William Marsahll Dugdale, Llanfyllin
 1928: Henry Hall Platt, Llanymynech
 1929: Arthur Lloyd Owen Owen, Machynlleth
1930au
 1930: Francis Reynolds Verdon, Y Trallwng
 1931: Hector Carlisle Pilkington, Bryn Tanat, Llansantffraid
 1932: Yr Arglwydd Davies, Llandinam
 1933: Humphrey Dod Lynes, Castell Caereinion
 1934: Dr Alfred Shearer, Y Drenewydd
 1935: Dr. William Henry Lewis, Llansantffraid
 1936: Arthur Loftus Onslow, Llanidloes
 1937: Major William John Burdon Evans, Y Drenewydd
 1938: John Howell Evans, Llundain a Phont Dolanog
 1939: Evan Emrys Jones, Caersŵs
1940au
 1940: John Davies Knatchbull Lloyd, Trefaldwyn
 1941: Syr Charles Gerald Trevor, Cegidfa.
 1942: Harri Morgan, Burnham, Bucks a'r Drenewydd
 1943: Christine Stella Way, Aberriw
 1944: Col. Charles Stafford Price-Davies, Marrington, Llanffynhonwen
 1945: Thomas Evan Kinsey, Caersŵs
 1946: Marguerite Frances Hanmer, Llanbrynmair
 1947: Jano Clement Davies, Meifod
 1948: Edward William Minton-Beddoes, Church Stretton, Swydd Amwythig a Dolfor
 1949: Syr George Frederick Hamer, Llanidloes.
 1950: Uwchgapten Robert John Brymer-Griffith, Bryneira, Y Drenewydd, Sir Drefaldwyn.
1950au
 1951: Yr Anrh. William Rupert Davies, Neuadd Brookland, Y Trallwng, Sir Drefaldwyn.
 1952: Dr. Richard Davies-Jones, Llys Hafren, Llanidloes
 1953: Robert William Griffiths, Woodlands, Ffordun, ger Y Trallwng
 1954: Thomas Williams, Ffordun
 1955: Major William Mason Marriott, CBE, Park House, Parc Castell Powys, Y Trallwng.
 1956: Capten Edward Calcott Pryce, Cegidfa
 1957:. Hywel Wynn Owen, The Moorings, Y Trallwng
 1957: Ralph Edward Blackett Beaumont
 1958: Y Ledi Sybil Dorothy Vaughan Hamer 
 1959: Uwchgapten John Eldon Marshall Dugdale, TO, The Forest, Ceri, Y Drenewydd
1960au
 1960: Y Ledi Lucie Haden Stable, Llanbrynmair
 1961: Yr Athro David Vaughan Davies, Llanidloes a Llundain
 1962: Mawr Hugh Meredith Peter Lewis, TD, Neuadd Milford, Y Drenewydd.
 1963: Charles Lionel Joce Humphreys, Aberriw
 1964:. David Philip Davies, Stalloe, Trefaldwyn
 1965:. John Edfryn Jones, Henblas, Caersŵs
 1966: Joyce Daphne Howard, Buttington
 1967: Dr. Nicholas Bennett-Jones, Plas-y-Coed, Y Drenewydd
 1968:. Alun Meurig Jones, Court Calmore, Trefaldwyn.
 1969: Yr Anrh. Edward David Grant Davies, Cefngwyfed, Tregynon.
1970au
 1970: John Kynaston Williams, Cegidfa
 1971: Cecil Edward Vaughan Owen, Llanidloes
 1972: Stephen Williams, Neuadd Black, Y Drenewydd.

Cyfeiriadau

Categori:20fed ganrif yng Nghymru
* 1900