c. 1310 - 5 May 1377
House: Lancaster
Titles: Countess of Ulster, Lady de Ufford
Maud of Lancaster was an English noblewoman born around 1310 to Henry, 3rd Earl of Lancaster, and Maud Chaworth. She married William Donn de Burgh, 3rd Earl of Ulster, in 1327, and they had one daughter, Elizabeth de Burgh. After her husband's murder in 1333, Maud fled to England with her daughter and lived at the court of King Edward III.
In 1343, Maud married Sir Ralph de Ufford, who became Justiciar of Ireland in 1344. The couple had a daughter, Maud de Ufford, Countess of Oxford. Following Ralph's death in 1346, Maud returned to England and became a canoness at Campsey Priory, later transferring to the Poor Clares at Bruisyard Abbey in 1364.
Maud of Lancaster died on 5 May 1377 at Bruisyard Abbey, where she was also buried. Her daughter Elizabeth succeeded her as the suo jure Countess of Ulster.
Death: Died at about 67 years old and was buried at Bruisyard Abbey.
Children: 2
Marriages: William Donn de Burgh, 3rd Earl of Ulster; Sir Ralph de Ufford
Parents: Henry, 3rd Earl of Lancaster, Maud Chaworth