- He began writing "Go Rest High on that Mountain" for Keith Whitley who died of alcoholism, but completed it after his brother died as a tribute to both men. He wrote "It won't be the same this year", a Christmas song, about his brother, and "The Key" about his father.
- Was asked to join the band Dire Straits but declined to pursue his own solo career.
- Daughter, Jennifer (Jenny) Jerene Gill (Jenny Gill) born May 5, 1982.
- Parents: Jerene Gill, Homemaker and J. Stanley "Stan" Gill (deceased 1997), a federal administrative law judge
- Before becoming a successful country singer, from 1979 to 1983 he was the lead singer for the country-rock band Pure Prairie League, which had a top 10 pop hit in the summer of 1980 with "Let Me Love You Tonight".
- Middle name is the same as his wife's maiden name.
- Daughter Corrina Grant Gill born weighing 7lbs. 9oz. (March 12, 2001)
- Brother: Bob (deceased 1993)
- Avid golfer. In high school, had to decide if he wanted to pursue a career as a golfer or a musician. Hosts "The Vinny" Pro-Am Celebrity Golf tournament in Nashville, Tennessee to benefit Junior Golf of Tennessee. At one point had a handicap of 1.
- Inducted into the Hall of Great Western Performers of the National Cowboy and Western Heritage Museum in 1997.
- Began his music career playing bluegrass music.
- His hometown is Oklahoma City, Oklahoma.
- Has a grandson Wyatt Gill Van Valkenberg on August 4, 2014.
- He was awarded a Star on the Hollywood Walk of Fame for Recording at 6901 Hollywood Boulevard in Hollywood, California on September 6, 2012.
- Sister: Gina
- Ex-brother-in-law of Kristine Arnold.
- Has a band, with Rodney Crowell, called the 'Notorious Cherry Bombs'.
- He was awarded a star on the Music City Walk of Fame in Nashville, Tennessee on November 5, 2007.
- Graduated from Northwest Classen High School in Oklahoma City, Oklahoma.
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