WordNet sense 1 (one of the twelve Apostles (first century)):

Simon the Canaanite, Simon the Zealot, Simon Zelotes, St. Simon

WordNet sense 2 (United States singer and songwriter (born in 1942)):

Paul Simon

WordNet sense 3 (United States playwright noted for light comedies (born in 1927)):

Marvin Neil Simon, Neil Simon

WordNet sense 4 (United States economist and psychologist who pioneered in the development of cognitive science (1916-2001)):

Herbert A. Simon, Herbert Alexander Simon, Herb Simon