Patent of Charles I to Dermot Roe O'Callaghan of lands at Kilpadder, Kilshannig, Co. Cork; July 8, 1633.

Míreanna comhchosúla

• Obituary: Mrs. Michael O'Callaghan. Dermot F. Gleeson.
  Foilsithe / Cruthaithe: (1962)
• Seeks information re the O'Callaghans of Dromaneon and Clonmeen.
  de réir: O'Callaghan, Mercedes Palau-Ribes
  Foilsithe / Cruthaithe: (1969)
• Abstract of title, with genealogical information on the O'Callaghan family of Tullydonnell, Co. Armagh, including abstract of will of Owen O'Callaghan, proved Sept., 1803.
• Late Mr. J. C. O'Callaghan.
  Foilsithe / Cruthaithe: (1883)
• Biogram No. 37, on John Cornelius O'Callaghan.
  Foilsithe / Cruthaithe: (1887)