Lenore Lonergan (June 2, 1928, in Toledo, Ohio[citation needed] – August 31, 1987[1]) was an American stage and film actress during the 1930s, 1940s and 1950s.

Her mother, Julia Mary (Juliet) McIntyre-Lonergan, daughter of Hector McIntyre and Julia Fennell of Sydney, Nova Scotia, Canada, was also an actress and opera singer who trained at New England Conservatory of Music.

[2] She made her stage debut on Broadway at the age of 6, in Mother Lode, starring Melvyn Douglas.

When she was 11, Lonergan was in the original cast of The Philadelphia Story on Broadway, playing the impish younger sister to Katharine Hepburn's character.

[citation needed] She later played juvenile roles in Junior Miss by Jerome Chodorov and Joseph Fields, and in Dear Ruth by Norman Krasna.