John Heffernan [Edit] By Sticky Facts Editorial StaffJohn Heffernan biography, ethnicity, religion, interesting facts, favorites, family, updates, childhood facts, information and more:John Heffernan date of birth:May 30, 1934How old is John Heffernan?92 Tags: birth day 30birth month maybirth year 1934 Suggested Posts Selena Gomez Facts Leonardo DiCaprio Facts Mike Tyson Facts Ariana Grande Facts Beyoncé Knowles Facts Ed Sheeran Facts Rihanna Facts John Lennon Facts