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 Miley Cyrus Facts Justin Bieber Facts Neymar Facts Marilyn Monroe Facts Sylvester Stallone Facts Adam Sandler Facts Stephen Hawking Facts Madonna Facts