Thomas Lisieux (d. 1456) was a Canon of Windsor from 1435 to 1442 and Dean of St Paul’s from 1441 to 1456.
He was appointed:
Senior Proctor, Oxford 1426Rector of St Michael, Cornhill 1433 - 1447Prebendary of Rugmere in St Paul’s Cathedral 1436 - 1452Prebendary of Totenhall in St Paul’s Cathedral 1452 - 1456Dean of St Paul’s 1441 - 1456Prebendary of Henfield in Chichester Cathedral 1443Treasurer of the collegiate church of Abergelly, St David’s.Prebendary of Church of St. Mary Magdalene, BridgnorthKeeper of the Privy Seal 1450 – 1456 He was appointed to the twelfth stall in St George's Chapel, Windsor Castle in 1435, and held the stall until 1442.