# List of peers 1400–1409

This page lists all peers who held extant titles between 1400 and 1409.

## Peerage of England

| Title | Holder | Date gained | Date lost | Notes |
| Duke of Cornwall (1337) | Henry of Monmouth | 1399 | 1413 | 1st Duke of Lancaster |
| Duke of York (1385) | Edmund of Langley, 1st Duke of York | 1385 | 1402 | Died |
| Duke of York (1385) | Edward of Norwich, 2nd Duke of York | 1402 | 1415 | |
| Duke of Norfolk (1397) | none | 1399 | 1424 | (Deprived of the title) |
| Earl of Surrey (1088) | Thomas FitzAlan, 10th Earl of Surrey | 1400 | 1415 | 12th Earl of Arundel; restored |
| Earl of Warwick (1088) | Thomas de Beauchamp, 12th Earl of Warwick | 1369 | 1401 | Died |
| Earl of Warwick (1088) | Richard de Beauchamp, 13th Earl of Warwick | 1401 | 1439 | |
| Earl of Oxford (1142) | Aubrey de Vere, 10th Earl of Oxford | 1392 | 1400 | Died |
| Earl of Oxford (1142) | Richard de Vere, 11th Earl of Oxford | 1400 | 1417 | |
| Earl of Norfolk (1312) | Thomas de Mowbray, 3rd Earl of Norfolk | 1399 | 1400 | Died |
| Earl of Norfolk (1312) | Thomas de Mowbray, 4th Earl of Norfolk | 1400 | 1405 | Died |
| Earl of Norfolk (1312) | John de Mowbray, 5th Earl of Norfolk | 1405 | 1432 | |
| Earl of March (1328) | Edmund Mortimer, 5th Earl of March | 1398 | 1425 | |
| Earl of Devon (1335) | Edward de Courtenay, 3rd Earl of Devon | 1377 | 1419 | |
| Earl of Salisbury (1337) | John Montacute, 3rd Earl of Salisbury | 1397 | 1400 | |
| Earl of Salisbury (1337) | none | 1400 | 1409 | Attainted |
| Earl of Salisbury (1337) | Thomas Montacute, 4th Earl of Salisbury | 1409 | 1428 | |
| Earl of Stafford (1351) | Edmund Stafford, 5th Earl of Stafford | 1395 | 1403 | Died |
| Earl of Stafford (1351) | Humphrey Stafford, 6th Earl of Stafford | 1403 | 1460 | |
| Earl of Kent (1360) | Thomas Holland, 3rd Earl of Kent | 1397 | 1400 | Died |
| Earl of Kent (1360) | Edmund Holland, 4th Earl of Kent | 1400 | 1408 | Died, title extinct |
| Earl of Northumberland (1377) | Henry Percy, 1st Earl of Northumberland | 1377 | 1406 | Attainted and his honours became forfeited |
| Earl of Suffolk (1385) | Michael de la Pole, 2nd Earl of Suffolk | 1399 | 1415 | |
| Earl of Somerset (1397) | John Beaufort, 1st Earl of Somerset | 1397 | 1410 | |
| Earl of Westmorland (1397) | Ralph Neville, 1st Earl of Westmorland | 1397 | 1425 | |
| Earl of Worcester (1397) | Thomas Percy, 1st Earl of Worcester | 1397 | 1403 | Attainted |
| Baron de Ros (1264) | William de Ros, 6th Baron de Ros | 1393 | 1414 | |
| Baron le Despencer (1264) | Thomas le Despencer, 6th Baron Despencer | 1397 | 1400 | Attainted, and remained under attainder until 1604 |
| Baron Berkeley (1295) | Thomas de Berkeley, 5th Baron Berkeley | 1368 | 1418 | |
| Baron Fauconberg (1295) | Thomas de Fauconberg, 5th Baron Fauconberg | 1362 | 1407 | Died, Barony fell into abeyance |
| Baron FitzWalter (1295) | Walter FitzWalter, 5th Baron FitzWalter | 1386 | 1406 | Died |
| Baron FitzWalter (1295) | Humphrey FitzWalter, 6th Baron FitzWalter | 1406 | 1415 | |
| Baron FitzWarin (1295) | Fulk FitzWarin, 6th Baron FitzWarin | 1391 | 1407 | Died |
| Baron FitzWarin (1295) | Fulk FitzWarin, 7th Baron FitzWarin | 1407 | 1420 | |
| Baron Grey de Wilton (1295) | Richard Grey, 6th Baron Grey de Wilton | 1396 | 1442 | |
| Baron Mauley (1295) | Peter de Mauley, 4th Baron Mauley | 1383 | 1415 | |
| Baron Bardolf (1299) | Thomas Bardolf, 5th Baron Bardolf | 1385 | 1407 | Attainted, and his peerage became forfeited |
| Baron Clinton (1299) | William de Clinton, 4th Baron Clinton | 1398 | 1431 | |
| Baron De La Warr (1299) | Thomas la Warr, 5th Baron De La Warr | 1398 | 1427 | |
| Baron Ferrers of Chartley (1299) | Robert de Ferrers, 5th Baron Ferrers of Chartley | 1367 | 1416 | |
| Baron Lovel (1299) | John Lovel, 5th Baron Lovel | 1361 | 1408 | Died |
| Baron Lovel (1299) | John Lovel, 6th Baron Lovel | 1408 | 1414 | |
| Baron Scales (1299) | Robert de Scales, 5th Baron Scales | 1386 | 1402 | Died |
| Baron Scales (1299) | Robert de Scales, 6th Baron Scales | 1402 | 1419 | |
| Baron Tregoz (1299) | Thomas de Tregoz, 3rd Baron Tregoz | 1322 | 1405 | died. The peerage became dormant(?). |
| Baron Welles (1299) | John de Welles, 5th Baron Welles | 1361 | 1421 | |
| Baron de Clifford (1299) | John de Clifford, 7th Baron de Clifford | 1391-3 | 1422 | |
| Baron Ferrers of Groby (1299) | William Ferrers, 5th Baron Ferrers of Groby | 1388 | 1445 | |
| Baron Furnivall (1299) | Joane de Furnivall, suo jure Baroness Furnivall | 1383 | 1407 | Died |
| Baron Furnivall (1299) | John Talbot, 6th Baron Furnivall | 1407 | 1453 | jure uxoris |
| Baron Latimer (1299) | John Nevill, 6th Baron Latimer | 1395 | 1430 | |
| Baron Morley (1299) | Thomas de Morley, 4th Baron Morley | 1379 | 1416 | |
| Baron Strange of Knockyn (1299) | Richard le Strange, 7th Baron Strange of Knockyn | 1397 | 1449 | |
| Baron Botetourt (1305) | Joan de Botetourt, suo jure Baroness Botetourt | 1385 | 1406 | Died, Barony fell into abeyance until 1764 |
| Baron Boteler of Wemme (1308) | Elizabeth Le Boteler, de jure Baroness Boteler of Wemme | 1361 | 1411 | |
| Baron Zouche of Haryngworth (1308) | William la Zouche, 4th Baron Zouche | 1396 | 1415 | |
| Baron Beaumont (1309) | Henry Beaumont, 5th Baron Beaumont | 1396 | 1413 | |
| Baron Strange of Blackmere (1309) | Ankaret Lestrangee, suo jure Baroness Strange of Blackmere | 1383 | 1413 | |
| Baron Audley of Heleigh (1313) | in abeyance | 1391 | 1405 | |
| Baron Audley of Heleigh (1313) | John Tuchet, 4th Baron Audley | 1405 | 1408 | Summoned as Baron Tuchet in 1403, both titles held by his heirs; died |
| Baron Audley of Heleigh (1313) | James Tuchet, 5th Baron Audley | 1408 | 1459 | |
| Baron Cobham of Kent (1313) | John de Cobham, 3rd Baron Cobham | 1355 | 1408 | Died |
| Baron Cobham of Kent (1313) | Joan Oldcastle, 4th Baroness Cobham | 1408 | 1434 | |
| Baron St Amand (1313) | Amaury de St Amand, 3rd Baron St Amand | 1382 | 1402 | Died, Barony fell into abeyance |
| Baron Cherleton (1313) | John Cherleton, 4th Baron Cherleton | 1374 | 1401 | Died |
| Baron Cherleton (1313) | Edward Cherleton, 5th Baron Cherleton | 1401 | 1421 | |
| Baron Willoughby de Eresby (1313) | William Willoughby, 5th Baron Willoughby de Eresby | 1396 | 1409 | Died |
| Baron Willoughby de Eresby (1313) | Robert Willoughby, 6th Baron Willoughby de Eresby | 1409 | 1452 | |
| Baron Holand (1314) | Maud de Holland, suo jure Baroness Holand | 1373 | 1420 | |
| Baron Dacre (1321) | Thomas Dacre, 6th Baron Dacre | 1398 | 1458 | |
| Baron FitzHugh (1321) | Henry FitzHugh, 3rd Baron FitzHugh | 1386 | 1425 | |
| Baron Greystock (1321) | Ralph de Greystock, 3rd Baron Greystock | 1358 | 1417 | |
| Baron Grey of Ruthyn (1325) | Reginald Grey, 3rd Baron Grey de Ruthyn | 1388 | 1441 | |
| Baron Harington (1326) | Robert Harington, 3rd Baron Harington | 1363 | 1406 | Died |
| Baron Harington (1326) | John Harington, 4th Baron Harington | 1406 | 1418 | |
| Baron Burghersh (1330) | Elizabeth de Burghersh, 3rd Baroness Burghersh | 1369 | 1402 | Died |
| Baron Burghersh (1330) | none | 1402 | 1409 | Attainder of the Earl of Gloucester of the le Despenser family |
| Baron Burghersh (1330) | Richard le Despenser, 4th Baron Burghersh | 1409 | 1414 | |
| Baron Maltravers (1330) | Eleanor Maltravers, 2nd Baroness Maltravers | 1377 | 1405 | Died |
| Baron Maltravers (1330) | John Fitzalan, 3rd Baron Maltraveres | 1405 | 1421 | |
| Baron Darcy de Knayth (1332) | John Darcy, 5th Baron Darcy de Knayth | 1398 | 1411 | |
| Baron Talbot (1332) | Gilbert Talbot, 5th Baron Talbot | 1396 | 1419 | |
| Baron Poynings (1337) | Robert Poynings, 5th Baron Poynings | 1387 | 1446 | |
| Baron Cobham of Sterborough (1342) | Reginald de Cobham, 2nd Baron Cobham of Sterborough | 1361 | 1403 | Died, none of his heirs were summoned to Parliament in respect of this Barony |
| Baron Bourchier (1342) | John Bourchier, 2nd Baron Bourchier | 1349 | 1400 | Died |
| Baron Bourchier (1342) | Bartholomew Bourchier, 3rd Baron Bourchier | 1400 | 1409 | Died |
| Baron Bourchier (1342) | Elizabeth Bourchier, suo jure Baroness Bourchier | 1409 | 1433 | |
| Baron Burnell (1350) | Hugh Burnell, 2nd Baron Burnell | 1383 | 1420 | |
| Baron Scrope of Masham (1350) | Stephen Scrope, 2nd Baron Scrope of Masham | 1391 | 1406 | Died |
| Baron Scrope of Masham (1350) | Henry Scrope, 3rd Baron Scrope of Masham | 1406 | 1415 | |
| Baron St Maur (1351) | Richard St Maur, 3rd Baron St Maur | 1361 | 1401 | Died |
| Baron St Maur (1351) | Richard St Maur, 4th Baron St Maur | 1401 | 1409 | Died |
| Baron St Maur (1351) | Alice St Maur, suo jure Baroness St Maur | 1409 | 1426 | |
| Baron Lisle (1357) | Elizabeth de Berkeley, 4th Baroness Lisle | 1392 | 1420 | |
| Baron Botreaux (1368) | William de Botreaux, 3rd Baron Botreaux | 1392 | 1462 | |
| Baron Scrope of Bolton (1371) | Richard Scrope, 1st Baron Scrope of Bolton | 1371 | 1403 | Died |
| Baron Scrope of Bolton (1371) | Roger Scrope, 2nd Baron Scrope of Bolton | 1403 | 1403 | Died |
| Baron Scrope of Bolton (1371) | Richard Scrope, 3rd Baron Scrope of Bolton | 1403 | 1420 | |
| Baron Cromwell (1375) | Ralph de Cromwell, 2nd Baron Cromwell | 1398 | 1417 | |
| Baron Camoys (1383) | Thomas de Camoys, 1st Baron Camoys | 1383 | 1419 | |
| Baron Lumley (1384) | Ralph de Lumley, 1st Baron Lumley | 1384 | 1400 | Attainted and his peerage became forfeited |
| Baron Beauchamp of Kidderminster (1387) | John de Beauchamp, 2nd Baron Beauchamp | 1388 | 1400 | Died, Barony extinct |
| Baron le Despencer (1387) | Philip le Despencer, 1st Baron le Despencer | 1387 | 1401 | Died |
| Baron le Despencer (1387) | Philip le Despencer, 2nd Baron le Despencer | 1401 | 1424 | |
| Baron Bergavenny (1392) | William de Beauchamp, 1st Baron Bergavenny | 1392 | 1411 | |
| Baron Grey of Codnor (1397) | Richard Grey, 1st Baron Grey of Codnor | 1397 | 1418 | |
| Baron West (1402) | Thomas West, 1st Baron West | 1402 | 1405 | New creation; died |
| Baron West (1402) | Thomas West, 2nd Baron West | 1405 | 1415 | |
| Baron Oldcastle (1409) | John Oldcastle, 1st Baron Oldcastell | 1409 | 1417 | New creation (if so and not a version for his being summoned to parliament jure uxoris as Baron Cobham of Kent) |

## Peerage of Scotland

| Title | Holder | Date gained | Date lost | Notes |
| Duke of Rothesay (1398) | David Stewart, Duke of Rothesay | 1398 | 1402 | Died |
| Duke of Rothesay (1398) | James Stewart, Duke of Rothesay | 1404 | 1406 | Succeeded to the Throne |
| Duke of Albany (1398) | Robert Stewart, Duke of Albany | 1398 | 1420 | |
| Earl of Mar (1114) | Isabel Douglas, Countess of Mar | 1393 | 1408 | Died |
| Earl of Mar (1114) | Alexander Stewart, Earl of Mar | 1408 | 1435 | |
| Earl of Dunbar (1115) | George I, Earl of March | 1368 | 1420 | |
| Earl of Menteith (1160) | Murdoch Stewart, Earl of Menteith | 1390 | 1425 | |
| Earl of Lennox (1184) | Donnchadh, Earl of Lennox | 1385 | 1425 | |
| Earl of Ross (1215) | Alexander Leslie, Earl of Ross | 1394 | 1402 | |
| Earl of Ross (1215) | Euphemia II, Countess of Ross | 1402 | 1415 | |
| Earl of Sutherland (1235) | Robert de Moravia, 6th Earl of Sutherland | 1370 | 1427 | |
| Earl of Douglas (1358) | Archibald Douglas, 3rd Earl of Douglas | 1388 | 1400 | Died |
| Earl of Douglas (1358) | Archibald Douglas, 4th Earl of Douglas | 1400 | 1424 | |
| Earl of Strathearn (1371) | Euphemia Stewart, Countess of Strathearn | 1386 | 1410 | |
| Earl of Moray (1372) | Thomas Dunbar, 5th Earl of Moray | 1391 | 1422 | |
| Earl of Orkney (1379) | Henry I Sinclair, Earl of Orkney | 1379 | 1400 | Died |
| Earl of Orkney (1379) | Henry II Sinclair, Earl of Orkney | 1379 | 1418 | |
| Earl of Buchan (1382) | Alexander Stewart, Earl of Buchan | 1382 | 1404 | Died |
| Earl of Buchan (1382) | Robert Stewart, Duke of Albany | 1404 | 1406 | Resigned the Earldom in favour of his son |
| Earl of Buchan (1382) | John Stewart, Earl of Buchan | 1406 | 1424 | |
| Earl of Angus (1389) | George Douglas, 1st Earl of Angus | 1389 | 1403 | Died |
| Earl of Angus (1389) | William Douglas, 2nd Earl of Angus | 1403 | 1437 | |
| Earl of Crawford (1398) | David Lindsay, 1st Earl of Crawford | 1398 | 1407 | Died |
| Earl of Crawford (1398) | Alexander Lindsay, 2nd Earl of Crawford | 1407 | 1439 | |
| Earl of Atholl (1404) | Walter Stewart, Earl of Atholl | 1404 | 1437 | New creation |

## Peerage of Ireland

| Title | Holder | Date gained | Date lost | Notes |
| Earl of Ulster (1264) | Edmund Mortimer, 7th Earl of Ulster | 1398 | 1425 | |
| Earl of Kildare (1316) | Gerald FitzGerald, 5th Earl of Kildare | 1390 | 1432 | |
| Earl of Ormond (1328) | James Butler, 3rd Earl of Ormond | 1382 | 1405 | Died |
| Earl of Ormond (1328) | James Butler, 4th Earl of Ormond | 1405 | 1452 | |
| Earl of Desmond (1329) | Thomas FitzGerald, 5th Earl of Desmond | 1399 | 1420 | |
| Earl of Cork (1396) | Edward of Norwich, 1st Earl of Cork | 1396 | 1415 | |
| Baron Athenry (1172) | Walter de Bermingham | 1374 | 1428 | |
| Baron Kingsale (1223) | William de Courcy, 9th Baron Kingsale | 1387 | 1410 | |
| Baron Kerry (1223) | Patrick Fitzmaurice, 7th Baron Kerry | 1398 | 1410 | |
| Baron Barry (1261) | John Barry, 7th Baron Barry | 1392 | 1420 | |
| Baron Gormanston (1370) | Christopher Preston, 2nd Baron Gormanston | 1396 | 1422 | |
| Baron Slane (1370) | Thomas Fleming, 2nd Baron Slane | 1370 | 1435 | |