Roger Mortimer 1st Earl of March was born on 25 April 1287, in Wigmore Castle, Herefordshire, England as the son of Edmund Mortimer 2nd Lord Mortimer and Margaret de Fiennes. He married Joan de Geneville on 20 September 1301, in Pembridge, Herefordshire, England. They were the parents of at least 3 sons and 9 daughters. In 1316, at the age of 29, his occupation is listed as lord lieutenant of ireland in Ireland. He died on 29 November 1330, in London, England, at the age of 43, and was buried in Wigmore, Herefordshire, England.
English and Scottish (of Norman origin): habitational name from Mortemer in Seine-Maritime, France, so called from Old French mort(e) ‘dead’ + mer ‘sea’, probably referring to a stagnant pond or drained swamp.
Irish (of Norman origin): the Norman surname in sense 1 above was taken to Ireland from England in the medieval period, where it has also been adopted by bearers of the Gaelic surnames Mac Muircheartaigh and ÓMuircheartaigh, commonly Anglicized as McMurty and Mortagh. Compare McMurdo .
BIO: from Historic Peerage of England, p 337 ...1303 summoned to Parliament from 22 Feb. 34 Edw. I. 1306, to 3 Dec. 20 Edw. II. 1326, with the addition of "de Wigmore;" created Earl of March 9 Nov. 1 …