Dave Callahan debuted on September 14, 1910, playing for the Cleveland Naps at League Park II; he played his final game on October 4, 1911, playing for the Cleveland Naps at League Park II.
Ray Callahan debuted on September 12, 1915 and played his final game on September 27, 1915.
Ed Callahan debuted on July 19, 1884 and played his final game on October 13, 1884.
Wese Callahan debuted on September 7, 1913 and played his final game on September 21, 1913.
Ben Callahan debuted on June 22, 1983 and played his final game on July 3, 1983.
Jim Callahan debuted on May 25, 1902 and played his final game on May 25, 1902.
Joe Callahan debuted on September 13, 1939 and played his final game on June 15, 1940.
John Callahan debuted on September 3, 1898 and played his final game on September 4, 1898.
Leo Callahan debuted on April 9, 1913 and played his final game on September 28, 1919.
Jimmy Callahan debuted on May 12, 1894 and played his final game on July 29, 1913.
Dave Callahan played in 4 games at outfield for the Cleveland Naps in 1911, starting in none of them. He made 5 putouts, had 2 assists, and committed one error, equivalent to .25 errors per game (estimate based on total games played in). He had one double play.
Ed Callahan debuted on July 19, 1884, playing for the St. Louis Maroons at ; he played his final game on October 13, 1884, playing for the Boston Reds at .