John Joseph "Jack" O'Neill (10 January 1873 – 29 June 1935) was catcher in Major League Baseball who played for the St.
Louis Cardinals (1902–03), Chicago Cubs (1904–05) and Boston Beaneaters (1906).
He batted and threw right-handed.
He was born in the townland of Tawnaleen, near Maum, in County Galway, Ireland, to Michael O'Neill, a small farmer in Maum, and Mary Joyce.O'Neill was one of four major league brothers.
Steve was a catcher and manager, Jim a shortstop, and Mike, who also was born in Ireland, was a pitcher and formed a brother battery with Jack for the St.
Louis Cardinals.
O'Neill shared catching duties for the Cardinals, Cubs and Beaneaters in a modest span of five years.
He was a smart runner with some speed and usually was used in pinch-running situations.
His most productive season came in 1903, when he posted career-highs in batting average (.236), runs (23), hits (58), doubles (nine), runs batted in (21), stolen bases (11) and games played (75).
In 303 games O'Neill was a .196 hitter with 20 stolen bases and 74 RBI.
He also collected 185 hits with 24 doubles, five triples, and one home run in 945 at-bats.
O'Neill died in Scranton, Pennsylvania, at the age of 62.