Find your family on Ancestry — the world's largest online family history resource. Try Free for 14 days
Name: Harrold O'Callahan
Birth: 1 May 1924 Royal Oak, Oakland, Michigan
Death: 23 Feb 1980 Winnemucca, Humboldt, Nevada
Father: Charles W. Callahan
Mother: MARGARET LAVINA HINDS (Young, Maholm, Callahan)
Name: Sister O'Callahan
Birth: 1907 Massachusetts
Death: 24 Dec 2003 Manila, Philippines
Father: Cornelius Joseph O'Callahan
Mother: Alice Elizabeth Casey
Name: Ann Veronica O'Callahan
Birth: 6 Nov 1882 33 Avon Place, Boston, Massachusetts
Death: 16 Dec 1952 Roxbury, Massachusetts
Father: John Callaghan
Mother: Margaret Twomey
Name: Mary O'Callahan
Birth: 23 Aug 1864 City Roscommon Ireland
Death: 29 May 1938 Michigan, USA
Father: Timothy Patrick O'Callaghan
Mother: Bridget Bolton
Name: Catherine O'Callahan
Birth: Mar 1873 Edinburgh, Midlothian, Scotland
Death: 8 Nov 1942 Jersey City, New Jersey
Father: James O'Callahan
Mother: Bridget Newell
Name: Ellen Jane O'Callahan
Birth: 15 Aug 1825 Cavan County, Ireland
Death: 30 Oct 1887 Eagle, Waukesha, Wisconsin, United States
Father: Owen Callahan
Mother: Nora Dolan
Name: Florence O'Callahan
Birth: 29 Mar 1891 Chicago, Cook, Illinois, USA
Death: Nov 1978 Chicago, Cook, Illinois, USA
Father: William Ernest Haynes
Mother: Isa Mae Cunningham
Name: Leland James O'Callahan
Birth: abt 1916 Atlanta, Fulton, GA USA
Death: 22 Jan 1997 Jacksonville, Duval, Florida, United States of America
Father: William O'Callaghan
Mother: Katherine Poyntz Webb
Name: Josephine O'Callahan
Birth: 11 Oct 1901 Portsmouth, Rockingham, New Hampshire, USA
Death: 1992 Miami, Dade, Florida, USA
Father: Patrick John O'Callaghan
Mother: Mary Helen Welch
Name: Agnes O'Callahan
Birth: 1917 Illinois
Death: July 24 2011 California USA
Father: Thomas Joseph Ocallaghan
Mother: Mary Catherine Schwinn
There's more to explore on Ancestry.
Discover your family history through more than a billion birth, marriage, death, census, miltary records, and more.
Built-in tools help you create and share slideshow stories by combining photos, records, text. Use audio features to record family stories.
An easy test can help you identify your ethnic origins. You may also discover relatives--those with similar genetic profiles.