Birth Name: Gillian MacLaren Jacobs
Place of Birth: Pittsburgh, Pennsylvania, U.S.
Date of Birth: October 19, 1982
Ethnicity: Irish, German, English
Gillian Jacobs is an American actress. Her roles include the films Gardens of the Night, Life Partners, Don’t Think Twice, I Used to Go Here, and Fear Street, and the shows Community and Invincible.
Gillian’s paternal grandfather was William Francis Jacobs (the son of William Francis Jacobs and Elizabeth Ann Hillock). Gillian’s grandfather William was born in Illinois. Gillian’s great-grandfather William was born in Burlington, Wisconsin, to German parents, Joseph Franciscus Jacobs/Jacob, from Hoxter, and Julia Kortenbusch. Elizabeth was the daughter of John Hillock, who was born in Canada, to Irish parents, and of Julia Judy Mackey, who was from Mullinakill, Ireland.
Gillian’s paternal grandmother was Mary Margaret Haskins (the daughter of Thomas Nicholas Haskins and Mary Agnes Gahan). Gillian’s grandmother Mary was born in Illinois. Thomas was born in La Salle, Illinois, to Irish parents, Thomas N. Haskins and Mary White. Gillian’s great-grandmother Mary was the daughter of John Gahan, whose parents were Irish, and of Winifred “Winnie” Hogan, who was Irish.
Gillian’s maternal grandfather was John Martin Magenau (the son of John Martin Magenau and Florence Martha Koehler). Gillian’s grandfather John was born in Pennsylvania, and was president and CEO of the family-owned Erie Brewing Company in Erie, Pennsylvania. Gillian’s great-grandfather John was the son of David Magenau and Bertha Reidinger, who were of German descent. Florence was the daughter of Andrew Jackson Koehler and Ida Belle Dunlap.
Gillian’s maternal grandmother was Carol Marie Spiller (the daughter of Cornelius MacLaren Spiller and Inez Marie Daniels). Carol was born in Pennsylvania. Cornelius was the son of Frederick Morton Spiller and Martha Jennie Tate. Inez was the daughter of William O. Daniels and Patience Reed.
Sources: Genealogy of Gillian’s paternal great-grandfather, Thomas Nicholas Haskins – https://www.geni.com
Genealogy of Gillian’s paternal great-grandmother, Mary Agnes Gahan – https://www.geni.com
Gillian’s paternal great-grandmother, Mary Agnes Gahan, on the 1880 U.S. Census – https://familysearch.org