Birth Name: Marvin John Nance
Date of Birth: December 21, 1943
Place of Birth: Boston, Massachusetts, U.S.
Date of Death: December 30, 1996
Place of Death: South Pasadena, California, U.S.
*father – English, Dutch, Irish, distant Cornish, German, Belgian [Flemish, Walloon], French, and Welsh
*mother – Irish
Jack Nance was an American actor. He starred in the film Eraserhead and on the show Twin Peaks, both from David Lynch.
He was the son of Agnes Theresa and Marvin Hoyt Nance. Jack’s patrilineal ancestry can be traced back to Cornwall, England.
Jack’s paternal grandfather was Marvin Carl Nance (the son of Leondius/Leonidas Miller Nance and Amelia Ethel Atwood). Marvin was born in Kentucky. Leonidus was the son of William H. Nance and Lucy Ann Bluitt.
Jack’s paternal grandmother was Maude Myrtle Van Dorn (the daughter of Douglas Van Dorn and Asie Louise Heathcock). Maude was born in Texas. Douglas was the son of Earl Van Dorn and Martha Goodbread. Asie was the daughter of Asa Heathcock and Betty/Elizabeth Callahan.
Jack’s maternal grandfather’s surname was O’Grady.
Marriage record of Jack’s parents – https://familysearch.org