- Ran the Gene Kelly School of Dance in Pittsburgh in 1935.
- Made film debut opposite Judy Garland in For Me and My Gal in 1942.
- Missed out on opportunities to star in the film versions of Guys and Dolls, Pal Joey (a role he originated on Broadway) and Sunset Boulevard because MGM refused to loan him out to other studios.
- His second wife, Jeanne Coyne, was previously married to Stanley Donen, who co-directed three films with Kelly (It's Always Fair Weather, On the Town and Singin' in the Rain).
- Created an original ballet for the Paris Opera in 1960.
- Ranked No. 42 on Entertainment Weekly magazine's list of Greatest Movie Stars of All Time, and No. 15 on the American Film Institute's list of 50 Greatest Screen Legends.
- 1967, Emmy — Outstanding Children's Program: Winner
- 1958, Golden Globe — Promoting International Understanding: Winner
- 1959, Emmy — Best Choreography for Television: Nominee
- 1970, Golden Globe — Best Director - Motion Picture: Nominee
- 1945, Oscar — Best Performance by an Actor in a Leading Role: Nominee
- 1952, Golden Globe — Best Performance by an Actor in a Motion Picture - Musical or Comedy: Nominee
- 1966, Emmy — Special Classifications of Individual Achievements: Nominee
- 1951, Oscar — Honorary Award: Winner
- 1981, Golden Globe — Cecil B. DeMille Award: Winner
- 1956, Berlin Film Festival — Golden Bear: Winner
- 1969, Directors Guild of America Awards — Outstanding Directorial Achievement in Feature Film: Nominee
- 1952, Directors Guild of America Awards — Outstanding Directorial Achievement in Feature Film: Nominee
- 1988, Screen Actors Guild Awards — Life Achievement Award: Winner
- Fredric N. Kelly — Brother
- Harriet Curran Kelly — Mother
- Louise Kelly Bailey — Sister
- Harriet Joan Kelly Radvansky — Sister
- Betsy Blair — Ex-wife
- James Patrick Joseph Kelly — Father
- Kerry Kelly — Daughter
- Timothy Kelly — Son
- James Kelly — Brother
- Jeanne Coyne — Wife (deceased)
- Patricia Ward Kelly — Wife
- Bridget Kelly — Daughter
- Attended Penn State University, University Park, Peensylvania, United States; University of Pittsburgh, Pittsburgh, Pennsylvania, United States (1933)