Namesakes
Fictional Characters from Books:
1 character
Marty South 1886 The Woodlanders 
Fictional Characters from Movies:
1 hero
Marty McFly 1985 Back to the Future
Fictional Characters from Television:
4 characters
Marty Castillo 1984 Miami Vice
Marty Lewis 1990 Parker Lewis Can't Lose
Marty Taylor 1991 Home Improvement
Martha Logan (a.k.a. Marty) 2001 24
Hall-of-Famers:
2 ice hockey, 1 basketball
(ice hockey) Marty Walsh 1962
(ice hockey) Marty Barry 1965
(basketball) Marty Friedman 1971
Most Valuable Players:
1 winner
Marty Marion 1944 baseball
Notable Actors and Entertainers:
1 comedian/actor
Marty Feldman 1934-1982
Notable Athletes:
1 ice hockey
(ice hockey) Marty Barry 1905-1969
Rock and Roll Hall-of-Famers:
1 musician
Marty Balin 1996 Jefferson Airplane