Popsugar Celebrity Celebrity Facts Celebrities Who Are Middle Children 25 Celebrities You Didn't Know Were the Middle Child 30 September 2018 by Shontel Horne View On One Page Photo 13 of 25 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 13 Olivia Wilde Oliva Wilde's real last name is Cockburn, and she's the middle sibling to big sister Chloe Cockburn and younger brother Charlie Cockburn. Previous Next Start Slideshow Celebrity FactsCelebrity Families