Vivion de Valera military service during "The Emergency", de Valera retired from the army with the rank of Major. In 1945, he embarked on a political career, being elected as a Fianna Fáil Teachta Dála (TD) for Dublin North-West. He served in Dáil Éireann until 1981. He was a director of "The Irish Press" from 1932 until 1982 and managing director from 1951 until 1982. Vivion de Valera died in Bray in 1982. He was also the uncle of former ministers Síle de Valera and Éamon Ó Cuív. Vivion de Valera Vivion Laurence de Valera (13 December 1910 – 16 February 1982) was
Rúaidhrí de Valera 1947, de Valera became the Archaeological Officer for Ordnance Survey Ireland which permitted him to develop the Survey of the Megalithic Tombs of Ireland project. He went on to write significant papers on Irish prehistory which contributed to his doctorate, awarded in 1954. In 1957, de Valera was appointed Chair of Celtic Archaeology at University College Dublin where he worked to enlarge the department whilst continuing to publish on Irish chamber tombs, especially the Court cairns which he proposed first developed in the west of the country. De Valera later excavated at the Mound of the Hostages at Tara. He