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 John Lennon Facts Katy Perry Facts Drake Facts Mark Wahlberg Facts Taylor Swift Facts Kylie Jenner Facts The Weeknd Facts Marlon Brando Facts