His All I want, p1995: label (Tim McGraw)

Trimble, B. Tim McGraw, c1996: p. 42 (Samuel Timothy McGraw; Tim; b. May 1, 1967)

Int. ww in pop. mus., 13th ed. (McGraw, Tim; b. Tim Smith, May 1, 1967, Delhi, LA; son of Tug McGraw; American country singer, musician (guitar), songwriter, and producer; married Faith Hill in 1996)

All music guide WWW site, Dec. 11, 2012 (Tim McGraw; b. Samuel Timothy McGraw, May 1, 1967, Delhi, La.; alias: Samuel Timothy Smith; son of baseball player Tug McGraw; country singer)

Wikipedia, Dec. 11, 2012 (Tim McGraw; b. Samuel Timothy McGraw, May 1, 1967, Delhi, La.; American country singer and actor. McGraw grew up believing his stepfather, Horace Smith, was his father. From the time of his mother's marriage until the time he met his biological father, his last name was Smith. At age 11, McGraw discovered his birth certificate while searching his mother's closet to find pictures for a school project. After his discovery, his mother revealed that his biological father was Tug McGraw)