Namesakes
William Marsden
(m) ?-1586 
Saints
Roy Marsden
(m) 1941-
Notable Actors and Entertainers (actor)
Bernie Marsden
(m) 1951-2023
Notable Musicians
James Marsden
(m) 1973-
Notable Actors and Entertainers (actor)
Mischa Barton
(a.k.a. Marsden) (f) 1986-
Notable Actors and Entertainers (actor)