1. See also

Hallahan may refer to:

• Bill Hallahan (1902–1981), American left-handed pitcher in Major League Baseball
• Charles Hallahan (1943–1997), American actor
• Margaret Hallahan (born 1803), English Catholic nun, foundress of the Dominican Congregation of St. Catherine of Siena
• Patrick Hallahan, American drummer with the Kentucky-based rock outfit My Morning Jacket

See also

• J. W. Hallahan Catholic Girls High School, Roman Catholic high school in Philadelphia, Pennsylvania, USA

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