Birth Name: Gregory Alan Maddux
Place of Birth: San Angelo, Texas
Date of Birth: April 14, 1966
Ethnicity: English, Irish, possibly other
Greg Maddux is an American former Major League Baseball (MLB) pitcher. Greg is the son of Linda Kay (Martin) and David Earl Maddux.
Greg’s paternal grandparents were William Stanley Maddux (the son of John Edward Maddux and Melissa McCammon) and Pearl Clara Davis (the daughter of Joseph Elbert Davis and Jennie R. Elliott).
Source: Genealogy of Greg Maddux (focusing on his father’s side) – http://www.genealogy.com