Fictional Characters from Television: 1 character
Seymour Skinner   1989   The Simpsons  
Notable Actors and Entertainers: 2 actors
Seymour Cassel   1935-2019  
Philip Seymour Hoffman   1967-2014  
Olympic Medalists: 1 bronze
(bronze) Feg Murray (a.k.a. Seymour)   1920   110 m hurdles  
Oscar Award Winners: 1 actor
(actor) Philip Seymour Hoffman   2006   Capote  
Other Leaders: 1 prime minister
Prime Minister Owen Arthur (a.k.a. Seymour)   1994-2008   Barbados