Namesakes
Fictional Characters from Books:
1 character
Tacy Kelly 1940 Betsy-Tacy 
Fictional Characters from Television:
9 characters
Grace Kelly 1993 Grace Under Fire
Jimmy Kelly 1993 Grace Under Fire
John Kelly 1993 NYPD Blue
Libby Kelly 1993 Grace Under Fire
Patrick Kelly 1993 Grace Under Fire
Quentin Kelly 1993 Grace Under Fire
Laura Michaels Kelly 1993 NYPD Blue
Alex Kelly 2003 The O.C.
Charlie Kelly 2005 It's Always Sunny in Philadelphia
Hall-of-Famers:
2 baseball, 2 football, 1 ice hockey
(baseball) Mike "King" Kelly 1945
(ice hockey) Leonard "Red" Kelly 1969
(baseball) George Kelly 1973
(football) Leroy Kelly 1994
(football) Jim Kelly 2002
Notable Actors and Actresses:
4 actresses, 1 actor
Gene Kelly 1912-1996
Grace Kelly 1929-1982
Roz Kelly 1943-
Moira Kelly 1968-
Jean Louisa Kelly 1972-
Notable Artists:
1 painter
Ellsworth Kelly 1923-
Notable Athletes:
2 baseball, 2 football, 1 ice hockey, 1 rugby
(baseball) Mike "King" Kelly 1857-1894
(baseball) George Kelly 1895-1984
(ice hockey) Leonard "Red" Kelly 1927-2019
(football) Leroy Kelly 1942-
(football) Jim Kelly 1960-
(rugby) Seamus Kelly 1991-
Notable Journalists:
1 television
(television) Megyn Kelly 1970-
Notable Musicians:
1 singer
Iggy Azalea (a.k.a. Kelly) 1990-
Olympic Medalists:
2 silver, 1 gold
(silver) Daniel Kelly 1908 long jump
(gold) Frederick Kelly 1912 110 m hurdles
(silver) Margaret Kelly-Hohmann 1980 swimming - 4x100 m medley relay
Oscar Award Winners:
1 actress
(actress) Grace Kelly 1954 The Country Girl
Other Royalty:
1 princess
Grace of Monaco (a.k.a. Kelly) 1956-1982 Monaco
Title Characters:
2 songs, 1 film
(film) Ned Kelly 1970 Ned Kelly
(song) Ned Kelly 1971 Ned Kelly
(song) Grace Kelly 2007 Grace Kelly