Ned Williamson was born October 24, 1857, in Philadelphia, PA, USA.
Howie Williamson was born December 23, 1904, in Little Rock, AR, USA.
Antone Williamson was born July 18, 1973, in Harbor City, CA, USA.
Scott Williamson was born February 17, 1976, in Fort Polk, LA, USA.
Al Williamson - baseball - was born on 1900-02-20.
Mark Williamson debuted on April 8, 1987, playing for the Baltimore Orioles at Memorial Stadium; he played his final game on August 4, 1994, playing for the Baltimore Orioles at Oriole Park at Camden Yards.
Mark Rogers was born January 30, 1986, in Brunswick, ME, USA.
Mark Small was born November 12, 1967, in Portland, OR, USA.
Mark Teahen was born September 6, 1981, in Redlands, CA, USA.
Mark Baldwin was born October 29, 1863, in Pittsburgh, PA, USA.
Mark Christman was born October 21, 1913, in Maplewood, MO, USA.
Mark Dempsey was born December 17, 1957, in Dayton, OH, USA.