Maurice FitzMaurice FitzGerald, 2nd Earl of Desmond (Maurice Óg; died 1358) was the son of Maurice FitzGerald, 1st Earl of Desmond,Burke, Bernard, A Genealogical History of the Dormant, Abeyant, Forfeited, and Extinct Peerages of the British Empire. London: Harrison. 1866. p. 204Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct, or Dormant. Volume III. London: George Bell & Sons. 1890. p. 83 and his first wife, Catherine de Burgh. (Some sources list her as Margaret.)Webb, Alfred. A Compendium of Irish Biography. Dublin: 1878.
The 2nd Earl married Beatrice de Stafford, daughter of Ralph de Stafford, 1st Earl of Stafford and Margaret Audley, but died at Castle Maine without any male issue, and was therefore succeeded in the Earldom of Desmond by his half-brother Gerald FitzGerald, 3rd Earl of Desmond. FitzGerald's widow married Thomas de Ros, 4th Baron de Ros around a year after FitzGerald's death. He was buried in Tralee Abbey.Ireland and her people; a library of Irish biography, (Thomas W. H. Fitzgerald, ed.), Fitzgerald Book Company, 1910, p. 187