G. Mac Brown [Edit] By Sticky Facts Editorial StaffG. Mac Brown biography, ethnicity, religion, interesting facts, favorites, family, updates, childhood facts, information and more:G. Mac Brown date of birth:1957How old is G. Mac Brown?69 Tags: birth year 1957 Suggested Posts Charlize Theron Facts Drake Facts Michael Schumacher Facts Chester Bennington Facts Eminem Facts Aaliyah Facts John Lennon Facts David Beckham Facts