Birth Name: Lily Chloe Ninette Thomson
Place of Birth: Kingston Upon Thames, Surrey, England, U.K.
Date of Birth: 5 April, 1989
Ethnicity: English, Scottish, French, small amount of German
Lily James is an English actress. She is the daughter of Ninette (Mantle) and James S. “Jamie” Thomson, an actor and musician. Her stage surname James is after her father’s first name.
Lily’s paternal grandfather is named James Hamish Stewart Thomson (the son of James Thomson). Lily’s grandfather James was from a family from Glasgow, Scotland.
Lily’s paternal grandmother was Helen Horton, an actress (born Helen Virginia Horton, the daughter of Walter Clark Horton and Frances Katherine Stewart). Helen was American, born in Chicago, Illinois, of English, Scottish, and German descent. Helen had deep colonial American roots, going back to the 1600s. Walter was the son of Walter Shurts Horton and Alice Cary Jones. Frances was the daughter of William Stewart and Mary Ellen McArthur, who was born in Collingwood, Ontario, Canada.
Lily’s maternal grandfather was William Eric Mantle (the son of William James Mantle and Laura Edith Carter). Lily’s grandfather William was born in Tiverton, Devon, England, and was a Christian minister. Laura was the daughter of John Carder and Eva Nott.
Lily’s maternal grandmother was named Marinette R. Touzet. Marinette was likely French.
Lily is a sixth cousin of President George H. W. Bush, a sixth cousin, once removed, of the first President Bush’s children, President George W. Bush and Governor of Florida Jeb Bush, and a sixth cousin, twice removed, of the second President Bush’s daughter, journalist Jenna Bush Hager, and Jeb’s son, politician George P. Bush. Lily’s paternal great-great-great-great-grandfather, Stephen Horton, was a brother of the first President Bush’s great-great-great-great-grandmother, Sarah Horton. Their parents were Comfort Horton and Joanna Wood.
Sources: Genealogy of Lily’s paternal grandmother, Helen Virginia Horton (focusing on her own father’s side) – http://worldconnect.rootsweb.ancestry.com
Lily’s paternal grandmother, Helen Virginia Horton, on the 1930 U.S. Census – https://familysearch.org
Lily’s paternal great-grandfather, Walter Clark Horton, on the 1900 U.S. Census – https://familysearch.org
Obituary of Lily’s maternal grandfather, William Eric Mantle – http://announcements.telegraph.co.uk
with some credit to genealogists George Larson and Michael J. Wood