1910s
- Rita Hayworth (1918–1987) mother, showgirl Volga Hayworth, was Irish-American
- Lucille Ball (1911–1989) mother was of partial Irish ancestry
- Arthur Kennedy (1914–1990)
- Art Carney (1918–2003)
- Geraldine Fitzgerald
- Jackie Gleason (1916–1987)
- Dorothy Lamour
- Burt Lancaster
- Gene Kelly
- Edmond O'Brien
- Virginia O'Brien (1919–2001)
- Gregory Peck
- Tyrone Power actor, father was of partial Irish ancestry
- Anthony Quinn (1915–2001)
- Ronald Reagan (1911–2004) Before entering politics, Reagan was a popular motion picture actor, as well as head of the Screen Actors Guild, a television actor, an announcer for the Chicago Cubs, and a motivational speaker
Read more about this topic: List Of American Actors Of Irish Descent