Date of Birth: September 17, 1903
Place of Birth: Pittsburgh, Pennsylvania, United States
Date of Death: March 1, 1979
Place of Death: Fallbrook, California
Ethnicity: Irish, German
Dolores Costello was an American actress. She was the daughter of actors Maurice Costello (Maurice George Costello) and Mae Costello (born Mae Altschuk). With her husband, actor John Barrymore (born John Sidney Blyth), she is the paternal grandmother of actress Drew Barrymore.
Her father was of Irish descent and her mother had German ancestry.
Dolores’s paternal grandparents were Thomas Costello (the son of John David Costello) and Ellen Fitzgerald. Thomas and Ellen were Irish.
Dolores’s maternal grandparents were Lewis Altschuk (the son of George M. Altschuk and Anna) and Catherine Callender. Lewis was German. It is not clear if Catherine was also of German descent.
Genealogy of Dolores Costello (focusing on her father’s side) – http://www.findagrave.com
Dolores Costello on the 1910 U.S. Census – https://familysearch.org
Dolores’s maternal grandfather, Lewis Altschuk, on the 1880 U.S. Census – https://familysearch.org