According to the History of Ingulf, the abbey was reformed and refounded in 948, with Thurcytel leaving the service of King Eadred to become its first new abbot.[1] The same claims he died in 975.[1]
Orderic claims that he appointed abbot by Edward the Confessor and Abbot Leofric, and that he was abbot for 24 years.[3] He died at the Gloucester Christmas court of William the Conqueror, in either December 1085 or January 1086.[3] The 'abbot Ulfketyl' of Charles Kingsley novel "Hereward the Wake'".
Died 16 November, probably in 1109, as he was said to have been abbot for 24 years (see Wulfketel & Geoffrey d'Orleans notes).[3]
Geoffrey d'Orleans
1109—ca 1124
Orderic says he was born at Orleans, was prior of St Évroult in Normandy, being appointed abbot of Crowland in 1109, holding for 15 years before dying on 5 June (probably 1124).[3]
Prior of St Albans, electet abbot of Crowland in December 1138 or soon after, and died on 6 April 1143.[3]
Edward
1143—1173
Died on 19 January 1173; after death, the abbey was vacant until sometime after 8 July 1175.[3]
Robert
1175—1189x90
Monk of Reading Abbey, became prior of Leominster, and was appointed abbot of Crowland in the second half of 1175, allegedly remaining abbot for 15 years.[3] His last historical appearance is 3 September 1189, and died on either 17 March or 24 March 1190.[3]
Henry de Longchamp
1190—1236
William de Longchamp, Bishop of Ely, he held the abbey for 46 years, dying in 1236.[6]
Walter de Weston
el. 1236
Monk of Crowland, receives royal consent to hold abbey on 28 September 1236, but was elected against church rules and election was quashed.[6]
A monk of Crowland, sometime sub-prior, he was abbot after Richard's death and held abbey for 6 years, dying on either 8 October or 15 October 1254.[6]
Ranulf de Merche
1254—1280
Another monk of Crowland, after becoming abbot he ruled for 26 years.[6]
Richard de Crowland
1280—1303
Monk of Crowland, elected 27 October 1280, election quashed but appointed anyway by the Bishop of Lincoln, Oliver Sutton.[6]
Simon de Luffenham [Suthluffenham]
1303—1324
He was another abbot from the Crowland monks. He held the abbey for 21 years, notably attending the Council of Vienne in 1311, and dying sometime in 1324.[6]
Henry de Casewick
1324—1359
He was prior of Crowland before becoming abbot in 1324.[6] The abbey suffered from great poverty during his abbacy, coming under the supervision of the crown, the Archbishop of Canterbury and the Earl of Northampton.[6] He died early in 1359.[6]
Thomas de Barnack
1359—1378
A monk of Crowland, he was elected for presentation to the bishop of Lincoln and confirmed by the latter in 1339.[6] After a 14 year abbacy, he died on 12 March 1378.[6]
Wells was the last abbot, ruling the abbey from 1512 until he was forced to hand it over to the king's agents in 1539, after the Second Act of Dissolution.[7]
Chibnall, Marjorie, ed. (1969–1980), The Ecclesiastical History of Orderic Vitalis, 3 vols, vol. II, Oxford: Clarendon Press, ISBN0-19-822204-1
Knowles, David; Brooke, C. N. L.; London, C. M, eds. (1972), The Heads of Religious Houses : England and Wales. 1, 940—1216, Cambridge: Cambridge University Press, ISBN0-521-08367-2
Page, William, ed. (1906), "Houses of Benedictine monks: The abbey of Crowland", A History of the County of Lincoln: Volume 2, British History Online, pp. 105–18, retrieved 27 November 2008
Smith, David M.; London, C. M, eds. (2001), The Heads of Religious Houses : England and Wales. 2, 1216—1377, Cambridge: Cambridge University Press, ISBN0-521-80271-7