Olympia Sumner was born on June 7, 1878 in Karlsruhe, Baden, Germany as Emilie Olympia Rudolphine Martineck. She was an actress, known for The Life of Shakespeare (1914), Three-Fingered Kate: The Wedding Presents (1912) and The Adventures of Dick Turpin: The Gunpowder Plot (1912). She was married to John McDowell.