|Bishop of Ely|
|Appointed||14 March 1337|
|Term ended||20 June 1345|
|Successor||Thomas de Lisle|
|Consecration||8 May 1334|
|Died||20 June 1345|
|Previous post||Bishop of Worcester|
Montacute was the third son of William Montagu, 2nd Baron Montagu (d. 18 October 1319), by Elizabeth Montfort (d. August 1354), daughter of Sir Piers Montfort of Beaudesert, Warwickshire. He had two elder brothers, John, who died in August 1317, and William Montagu, 1st Earl of Salisbury, and a younger brother, Edward Montagu, 1st Baron Montagu, who married Alice of Norfolk, daughter of Thomas of Brotherton and granddaughter of Edward I. Among his seven sisters were Elizabeth, Prioress of Halliwell, and Maud and Isabel, successively Abbesses of Barking from 1341-1358.
Montacute was nominated to the see of Worcester on 11 December 1333 and consecrated on 8 May 1334. and was then translated to the see of Ely on 14 March 1337. As bishop of Ely, he was involved in the foundation of Peterhouse, Cambridge, being largely responsible for an early set of statutes for the college. He died on 20 June 1345.
- Waugh 2004.
- Richardson II 2011, pp. 634-5.
- Cokayne 1936, pp. 82, 84.
- Gross 2004.
- Ormrod 2004.
- Robertson & 1893-5, pp. 96-7.
- Sturman, Winnifred M., Barking Abbey: A Study in its External and Internal Administration from the Conquest to the Dissolution, PhD thesis, University of London, 1961, pp. 375, 382, 400-1, 404 Retrieved 21 October 2013.
- Fryde, E. B.; Greenway, D. E.; Porter, S.; Roy, I. (1996). Handbook of British Chronology (Third revised ed.). Cambridge: Cambridge University Press. ISBN 0-521-56350-X.
- 'The colleges and halls: Peterhouse', A History of the County of Cambridge and the Isle of Ely: Volume 3: The City and University of Cambridge (1959), pp. 334–340. URL: http://www.british-history.ac.uk/report.aspx?compid=66643. Date accessed: 2 July 2008.
- Cokayne, George Edward (1936). The Complete Peerage, edited by H.A. Doubleday and Lord Howard de Walden. IX. London: St. Catherine Press.
- Gross, Anthony (2004). "Montagu, William, second Lord Montagu (c.1285–1319)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/19000. (Subscription or UK public library membership required.)
- Ormrod, W.M. (2004). "Montagu, William, first earl of Salisbury (1301–1344)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/19001. (Subscription or UK public library membership required.)
- Richardson, Douglas (2011). Everingham, Kimball G., ed. Plantagenet Ancestry: A Study in Colonial and Medieval Families. II (2nd ed.). Salt Lake City. ISBN 1449966349.
- Robertson, Herbert (1893–1895). Stemmata Robertson et Durdin. London: Mitchell and Hughes. Retrieved 22 October 2013.
- Waugh, Scott L. (2004). "Thomas, first earl of Norfolk (1300–1338)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/27196. (Subscription or UK public library membership required.)
- 'Elizabeth De Montacute née Montfort', History of Henley Series Retrieved 22 October 2013
|Catholic Church titles|
Adam de Orlton
|Bishop of Worcester
|Bishop of Ely
Thomas de Lisle