Birth Name: Randolph Severn Parker III
Place of Birth: Conifer, Colorado, U.S.
Date of Birth: October 19, 1969
Ethnicity: English, Scottish, some Norwegian, distant Dutch, French, Breton, possibly other
Trey Parker is an American actor, animator, writer, producer, director, and composer. He is a co-creator and spearheader of the series South Park, and has also starred in and produced the films Orgazmo and Team America: World Police, all along with his career partner Matt Stone.
Trey is the son of Sharon and Randolph “Randy” Parker, a geologist. His parents have the same names as Stan Marsh’s parents on South Park, and his father the same occupation. Stan Marsh was also the name of his step-grandfather. Trey has a daughter with his former wife Boogie Tillmon.
Trey’s paternal grandfather was Maurice Mabie Parker (the son of Randolph Severn Parker and Caroline/Carolyn Ruth Mabie). Maurice was born in Kansas. Trey’s great-grandfather Randolph was born in Illinois, the son of Sebastian Cabot Parker and Josephine K. “Josie” Thorsen, who was of Norwegian parentage. Caroline was born in Kansas, the daughter of Lot Dalbert Mabie and Bessie McClure.
Trey’s paternal grandmother was Elizabeth “Betty” Pinkerton (the daughter of Frederick Pinkerton and Mildred Colthar). Elizabeth was born in Nebraska. Frederick was born in Kansas, the son of George Robert Pinkerton and Almarie Downing. Mildred was born in Nebraska, the daughter of Orlando Sherman Colthar and Hannah Butler.
Trey’s maternal grandfather’s surname is Kimble.
Source: Genealogy of Trey’s paternal grandfather, Maurice Mabie Parker (focusing on his own father’s side) – https://www.findagrave.com
Trey’s paternal great-grandparents, Randolph Severn Parker and Caroline/Carolyn Ruth Mabie, on the 1920 U.S. Census – https://familysearch.org