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 Ed Sheeran Facts Sylvester Stallone Facts Vin Diesel Facts Mila Kunis Facts Mike Tyson Facts Adam Sandler Facts Miley Cyrus Facts Stephen Hawking Facts