Irish emigrants (before 1923) to the United States

George Brent (born George Brendan Nolan; 15 March 1904 – 26 May 1979) was an Irish-American stage, film, and television actor. He is best remembered for the eleven films he made with Bette Davis, which included Jezebel and Dark Victory.

Waldo Brian Donlevy (February 9, 1901 – April 6, 1972) was an American actor, noted for playing dangerous tough guys from the 1930s to the 1960s. He usually appeared in supporting roles. Among his best-known films are Beau Geste (1939), The Great McGinty (1940) and Wake Island (1942), in which he played the lead. For his role as Sergeant Markoff in Beau Geste, he was nominated for the Academy Award for Best Supporting Actor.

Una O'Connor (born Agnes Teresa McGlade, 23 October 1880 – 4 February 1959) was an Irish-American actress who worked extensively in theatre before becoming a character actress in film and in television. She often portrayed comical wives, housekeepers and servants. In 2020, she was listed at number 19 on The Irish Times list of Ireland's greatest film actors.

Austin Cedric Gibbons (March 23, 1890 – July 26, 1960) was an Irish-American art director and production designer for the film industry. He also made a significant contribution to motion picture theater architecture from the 1930s to 1950s. Gibbons designed the Oscar statuette in 1928, but tasked the sculpting to George Stanley, a Los Angeles artist. He was nominated 39 times for the Academy Award for Best Production Design and won the Oscar 11 times, both of which are records.

Eliza Rosanna Gilbert, Countess of Landsfeld (17 February 1821 – 17 January 1861), better known by the stage name Lola Montez (), was an Irish dancer and actress who became famous as a Spanish dancer, courtesan, and mistress of King Ludwig I of Bavaria, who made her Gräfin von Landsfeld (Countess of Landsfeld). At the start of the Revolutions of 1848 in the German states, she was forced to flee. She proceeded to the United States via Austria, Switzerland, France and London, returning to her work as an entertainer and lecturer.

Papal Count John Francis McCormack, KSG, KSS, KHS (14 June 1884 – 16 September 1945), was an Irish tenor celebrated for his performances of the operatic and popular song repertoires, and renowned for his diction and breath control. He was also a Papal Count. He became a naturalised American citizen before returning to live in Ireland.

Eileen Cecilia "Patricia" Collinge (September 20, 1892 – April 10, 1974) was an Irish-American actress and writer. She was best known for her stage appearances, as well as her roles in the films The Little Foxes (1941) and Shadow of a Doubt (1943). She was nominated for an Academy Award and won a NBR Award for The Little Foxes.

Creighton Hale (born Patrick Fitzgerald; 24 May 1882 – 9 August 1965) was an Irish-American theatre, film, and television actor whose career extended more than a half-century, from the early 1900s to the end of the 1950s.

Thomas J. Moore (May 1, 1883 – February 12, 1955) was an Irish-American actor and director. He appeared in at least 186 motion pictures from 1908 to 1954. Frequently cast as the romantic lead, he starred in silent movies as well as in some of the first talkies.