Anderson is a surname deriving from a patronymic meaning "son of Anders/Andrew" (itself derived from the Greek name "Andreas", meaning "man" or "manly"). It originated in parallel in the British Isles and the Nordic countries.
Origin of the name Kristen: Derived from the Ecclesiastic Late Latin christiānus which is from the Ecclesiastic Greek christianos (a Christian, a follower of Christ). Var: Christiene, Christine, Cristina, Khristina, Khristine, Kristina, Kristene. Short: Chris, Cris, Khris, Kris, Tina.