Kourtney Mary [Edit] By Sticky Facts Editorial StaffKourtney Mary biography, ethnicity, religion, interesting facts, favorites, family, updates, childhood facts, information and more:Kourtney Mary date of birth:April 18, 1979How old is Kourtney Mary?47 Tags: birth day 18birth month aprilbirth year 1979 Suggested Posts Shakira Facts Selena Gomez Facts George Clooney Facts Cristiano Ronaldo Facts Mila Kunis Facts Marlon Brando Facts Ed Sheeran Facts Kim Kardashian West Facts