Namesakes
David Clemens
(m) 
Fictional Characters from Movies 1962 David and Lisa
Kellen Clemens
(m) 1983-
Notable Athletes (football)
Roger Clemens
(m) 1962-
Most Valuable Players 1986 baseball
Notable Athletes (baseball)
Mark Twain
(a.k.a. Clemens) (m) 1835-1910
Notable Writers