Studios, an animation studio Nancy Sullivan (disambiguation), multiple people Nicole Sullivan, American actress, voice actress, comedian Niki Sullivan (1937–2004), American rock and roll guitarist Pat Sullivan, winner of the 1971 Heisman Trophy Patrick Sullivan (American football executive) Patrick J. Sullivan (Pennsylvania politician), Pennsylvania congressman Patrick Joseph Sullivan, Wyoming senator Robert Baldwin Sullivan, Canadian lawyer, judge, and politician who became the second mayor of Toronto Roy Sullivan, American park ranger Sam Sullivan, mayor of Vancouver, British Columbia Stephen Sullivan (disambiguation), multiple people Stephanie S. Sullivan, United States Ambassador to the Republic of the Congo Steve Sullivan, North American NHL hockey player Susan Sullivan, various people Teresa Sullivan, president of University of Virginia Tim or Timothy Sullivan, various people William H. Sullivan, US ambassador See also Gaelic nobility of Ireland Sullivan baronets References Byrne, Francis J., Irish Kings and High-Kings. Four Courts Press. 3rd edition, 2001. Charles-Edwards, T.M., Early Christian Ireland. Cambridge University Press. 2000. Cronnelly, Richard F., Irish Family History Part II: A History of the Clan Eoghan, or Eoghanachts. Dublin: 1864. Curley, Walter J.P., Vanishing Kingdoms: The Irish Chiefs and their Families. Dublin: Lilliput Press. 2004. Duffy, Seán (ed.), Medieval Ireland: An Encyclopedia. Routledge. 2005. Koch, John T. (ed.), Celtic Culture: A Historical Encyclopedia. 5 volumes or single ebook. ABC-CLIO. 2006. MacLysaght, Edward, Irish Families: Their Names, Arms and Origins. Irish Academic Press. 4th edition, 1998. Mac Niocaill, Gearóid, Ireland before the Vikings. Dublin: Gill and Macmillan. 1972. Ó Corráin, Donnchadh, Ireland before the Normans. Dublin: Gill and Macmillan. 1972. O'Donovan, John (ed. and tr.), Annála Ríoghachta Éireann. Annals of the Kingdom of Ireland by the Four Masters, from the Earliest Period to the Year 1616. 7 vols. Royal Irish Academy. Dublin. 1848–51. 2nd edition, 1856. O'Hart, John, Irish Pedigrees; or the Origin and Stem of the Irish Nation 5th edition, 1892. O'Keeffe, Eugene (ed. and tr.), Eoganacht Genealogies from the Book of Munster. Cork. 1703. (available here) O'Rahilly, Thomas F., Early Irish History and Mythology. Dublin Institute for Advanced Studies. 1946. External links O'Sullivan Clan O'Sullivan Pedigree at Library Ireland Book of Sullivan at Stanford Sullivan at Araltas Surnames Surnames of Irish origin Anglicised Irish-language surnames English-language surnames Surnames of British Isles origin Ancient Irish dynasties