People K. R. O'Brien K. R. O'Brien K. R. O'Brien from . About Family Child He has one child, Bridget . Other facts about K. R. O'Brien Military rank Lieutenant Colonel Family name O'Brien. Show people with the surname O'Brien Sex or gender Male K. R. O'Brien's Child Bridget O'Brien Comments There are no comments yet. Enter your name here: Enter your email here: Enter your message here: Your message is required. Markdown cheatsheet. Submit