HELP & TOOLS
Pedigree of O'Callaghan, Chief of the Name, of Tortosa, Spain, c.1700 -- 1942.
O'Callaghan, family of
Dublin: National Library of Ireland, Genealogical Office: Ms.182, pp.569-70
Copy of certificate of arms to Don Juan O'Callaghan of Tortosa, Spain, with mention that in the Irish Official Gazette of Dec. 23, 1944, he was acknowledged as Chief of the Name, July 16, 1946.
Pedigree of O'Callaghan, Chiefs of Pobul I Callaghan, of Clonmeen, of Dromaneen, Co. Cork, of Mount Allon and Kilgorey, of Leatherdon, all in Co. Clare, c.900 A.D. -- 1933.
Pedigree of O'Callaghan of Derrygallon and Glynn and Clonmeen, Co. Cork, c.1700 -- 1841.
Pedigree of O'Callaghan of Dromnine, and of Clonmeen both in Co. Cork, of Leatherdon and of Baden Baden in Germany, c.1600 -- 1765.
Pedigree of O'Callaghan, Chiefs of Pobul I Callaghan, of Dromskeby and of Derrygallon, of Cahirduggan, Rockville, Killeenleigh, and Kanturk in Co. Cork, and of Brackenstown House, Swords, Co. Dublin, c.900 A.D.--1933.