Helen Hooker O'Malley Roelefs (1 January 1905 – 2 April 1993) was an American sculptor and portrait painter who spent a considerable part of her career in Ireland. Born to a wealthy family in Greenwich, Connecticut, she attended Miss Chapin's School and, in 1923, won the American national junior tennis championship. Hooker studied sculpture with Mahonri Young, William Zorach, and Edmond Amateis in New York, and later in Paris at Académie de la Grande Chaumière with Antoine Bourdelle. She married Irish writer Ernie O'Malley in 1935. The couple had three children. Hooker married Richard Roelefs in 1956, and settled in Connecticut. Hooker died on 2 April 1993.