Alannah O'Sullivan [Edit] By Sticky Facts Editorial StaffAlannah O'Sullivan biography, ethnicity, religion, interesting facts, favorites, family, updates, childhood facts, information and more:What is Alannah O'Sullivan's full name?Alannah O'SullivanWhat is Alannah O'Sullivan nationality?New Zealander Tags: new zealander Suggested Posts Margot Robbie Facts James Gandolfini Facts Chester Bennington Facts Mike Tyson Facts Zinédine Zidane Facts Brad Pitt Facts Adele Facts Justin Bieber Facts