Siera Casey [Edit] By Sticky Facts Editorial StaffSiera Casey biography, ethnicity, religion, interesting facts, favorites, family, updates, childhood facts, information and more:Siera Casey date of birth:September 21, 1987How old is Siera Casey?39What is Siera Casey's occupation?Actress Tags: actressbirth day 21birth month septemberbirth year 1987 Suggested Posts Aaliyah Facts Taylor Swift Facts Michael Schumacher Facts Rihanna Facts John Lennon Facts George Clooney Facts Chester Bennington Facts Leonardo DiCaprio Facts