Thomas Dekker
Gabriel Cooper
Updated on March 12, 2026
Dekker in 2011, photo by DFree/Bigstock.com
Birth Name: Thomas Alexander Dekker
Place of Birth: Las Vegas, Nevada, U.S.
Date of Birth: December 28, 1987
Ethnicity: Welsh, Dutch, English
Thomas Dekker is an American actor, musician, singer, director, and producer.
He is the son of Hilary, a concert pianist, singer, acting coach, and actress, and David John Ellis Dekker, an artist, set designer, opera singer, and actor. Thomas’s father was American-born, of one quarter Dutch and three quarters British Isles, including English, ancestry. Thomas’s mother is from Wales.
Thomas is married to Canadian actor Jesse Haddock.
Thomas’s paternal grandfather was Joseph Henry Dekker (the son of John A. Dekker and June Gertrude Watson). Joseph was born in Minnesota. John was a Dutch immigrant, and was the son of Abraham Dekker and Marie/Maria Catherine/Catharina Louisa Godyn/Godijn. June was born in Minnesota, the daughter of Jabez Poole Watson and Hannah Amelia Griffin.
Thomas’s paternal grandmother was Ruth Bernice Richardson (the daughter of John S. Richardson and Trixie/Trix Palmiter). Ruth was born in Colorado. John was born in South Carolina. Trixie was born in Kansas. Trixie was the daughter of Wilhemina.
Thomas’s maternal grandfather was Alun Williams (born David Alun Williams, the son of David Williams and Edith Price). Alun was a radio presenter and well-known radio announcer for the BBC (British Broadcast Corporation). Edith was the daughter of Thomas Price and Sarah Francis.
Sources: Thomas’s father on the 1930 U.S. Census –
Obituary of Thomas’s father –
Marriage records of Thomas’s paternal great-great-grandparents, Abraham Dekker and Marie/Maria Catherine/Catharina Louisa Godyn/Godijn –
Thomas’s paternal grandmother, Ruth Bernice Richardson, on the 1910 U.S. Census –