Jack Mulhern
Birth Name: John Mulhern
Place of Birth: Rye, New York, U.S. (possibly)
Date of Birth: c. 1995
Ethnicity: Irish, as well as one eighth Slovak, English, German, Ashkenazi Jewish
Jack Mulhern is an American actor. He has starred in the films Odd Man Rush, Pet Sematary: Bloodlines, and The Boys in the Boat, and on the shows The Society, Mare of Easttown, and Painkiller.
He is the son of Karen, an interior designer, and actor and historian Matt Mulhern. His brother is composer Connor Mulhern.
Jack’s paternal grandfather was William James Mulhern (the son of Maurice Barry Mulhern and Helen C. Sheeran). William was born in Philadelphia, Pennsylvania, and was a public relations specialist. Maurice was the son of James Owen Mulhern and Elizabeth A. Dougherty. Helen was the daughter of Thomas Sheeran and Catherine Manning.
Jack’s paternal grandmother was Mary Ann McGowan (the daughter of William Joseph McGowan and Nellie Frances Ducas). Mary Ann was born in Philadelphia, Pennsylvania. Nellie was born in Scranton, Pennsylvania, the daughter of Slovak parents, George/Georgius Ducas/Dugasz, from Hermanovce, Okres Prešov, and Mary Susan Novák/Noviczki, from Bertotovce, Okres Prešov.
Jack’s maternal grandfather was Peter J. Sellon (the son of John Aylmer Sellon and Emily Elizabeth Boenke). Peter was born in New Rochelle, New York. John was born in Wandsworth, Surrey, England, the son of Ernest Marmaduke Sellon, who was born in Deolali, Maharashtra, India, and of Barbara Anne Porter. Jack’s great-grandmother Emily Boenke Sellon was a long-term member of the New York Lodge of the Theosophical Society in America. She wrote the books The Significance of the Mind-Changing Drugs: a Theosophical Interpretation and From Hand to Mouth: Vegetarian Recipes. The Pilgrim and The Pilgrimage. She was the daughter of William Rowland Boenke and Pauline Ethel Trier, who was from a German Jewish family.
Jack’s maternal grandmother is named Carol Connery.
Sources: https://www.skidmore.edu
Genealogy of Jack’s maternal grandfather, Peter J. Sellon (focusing on his own father’s side) – https://latrobefamily.com
Obituary of Jack’s maternal grandfather, Peter J. Sellon – https://www.legacy.com
Birth record of Jack’s maternal great-grandmother, Emily Elizabeth Boenke – https://www.familysearch.org
Biography of Jack’s maternal great-grandmother, Emily Elizabeth Boenke Sellon – https://theosophicalsociety.org.au
Marriage record of Jack’s maternal great-great-grandparents, William Rowland Boenke and Pauline Ethel Trier – https://www.familysearch.org
Death records of Jack’s maternal great-great-great-grandparents, Emanuel Trier and Emily (Miller) Trier – https://www.findagrave.com
Paternal Grandfather: William James Mulhern (1929) (Philadelphia) was the son of Maurice Barry Mulhern Sr. and Helen C. Sheeran. Maurice was born in Philadelphia, the son of James Owen Mulhern and Elizabeth A. Dougherty. Helen was born in Philadelphia, the daughter of Thomas Sheeran and Catherine Manning.
Paternal Grandmother: Mary Ann McGowan (1930) (Philadelphia), was the daughter of William Joseph McGowan and Nellie Frances Ducas. Nellie was born in Scranton, Pennsylvania, the daughter of Slovak parents George Ducas and Mary Susan Novak (Noviczki).
Jack Mulhern is 1/8th Slovak.
Here is his paternal grandmothers obituary https://www.findagrave.com/memorial/107958686/mary-mulhern