George McNamara debuted on September 28, 1922, playing for the Washington Senators at Griffith Stadium I; he played his final game on September 29, 1922, playing for the Washington Senators at Griffith Stadium I.
Tom McNamara debuted on June 25, 1922, playing for the at ; he played his final game on June 25, 1922, playing for the at .
Jim McNamara debuted on April 9, 1992, playing for the San Francisco Giants at Candlestick Park; he played his final game on July 28, 1993, playing for the San Francisco Giants at Candlestick Park.
George Bradley debuted on May 4, 1875 and played his final game on August 8, 1888.
George Bristow debuted on April 15, 1899 and played his final game on May 8, 1899.
George Browne debuted on September 27, 1901 and played his final game on June 24, 1912.
Tom McNamara debuted on June 25, 1922, playing for the at ; he played his final game on June 25, 1922, playing for the at .
Bob McNamara debuted on May 27, 1939, playing for the Philadelphia Athletics at Shibe Park; he played his final game on September 20, 1939, playing for the Philadelphia Athletics at Shibe Park.
Dinny McNamara debuted on July 2, 1927, playing for the Boston Braves at Braves Field; he played his final game on May 30, 1928, playing for the Boston Braves at Braves Field.
Jim McNamara debuted on April 9, 1992, playing for the San Francisco Giants at Candlestick Park; he played his final game on July 28, 1993, playing for the San Francisco Giants at Candlestick Park.
Tim McNamara debuted on June 27, 1922, playing for the Boston Braves at Braves Field; he played his final game on May 15, 1926, playing for the New York Giants at Polo Grounds IV.
George Abrams debuted on April 19, 1923 and played his final game on May 4, 1923.
George Adams debuted on June 14, 1879 and played his final game on June 21, 1879.
George Aiton debuted on June 29, 1912 and played his final game on July 28, 1912.
George Altman debuted on April 11, 1959 and played his final game on October 1, 1967.
George Alusik debuted on September 11, 1958 and played his final game on October 2, 1964.
George Anderson debuted on May 26, 1914 and played his final game on September 2, 1918.
George Archie debuted on September 14, 1938 and played his final game on April 21, 1946.