Date of Birth: September 17, 1903
Place of Birth: Pittsburgh, Pennsylvania, U.S.
Date of Death: March 1, 1979
Place of Death: Fallbrook, California, U.S.
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). She had two children with her former husband, actor John Barrymore (born John Sidney Blyth). They are the paternal grandparents of actors John Blyth Barrmore and Drew Barrymore.
Her father was of Irish descent and her mother had German ancestry.
Dolores’s paternal grandfather was Thomas Costello (the son of John David Costello). Thomas was Irish.
Dolores’s paternal grandmother was named Ellen Fitzgerald. Ellen was Irish.
Dolores’s maternal grandfather was Lewis/Louis Altschuk (the son of George M. Altschuk and Anna). Lewis was German.
Dolores’s maternal grandmother was named Catherine Callender.
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/Louis Altschuk, on the 1880 U.S. Census – https://familysearch.org