Birth Name: Thomas Michael Glavine
Place of Birth: Concord, Massachusetts
Date of Birth: March 25, 1966
Ethnicity: Irish, Italian, possibly other
Tom Glavine is an American retired professional baseball player.
He is the son of Millie and Fred Glavine. Tom is of half Irish descent. He also has Italian ancestry, according to the book Beyond DiMaggio: Italian Americans in Baseball.
Sources: http://www.southpawcentral.com
http://m.mlb.com (half Irish)
https://books.google.com