Thomas M. O’Brien II, 78, of Mesa, AZ passed away Tuesday July 26, 2016 in Mesa, AZ. Mr. O’Brien, an electrician, was born in Chicago, IL. Survivors include his wife Connie, son Thomas O’Brien III, his wife Rita and their children Thomas IV, Morganne, Cody and Carter; son Mark O’Brien, his wife Mary and their children Brittany, Erin, Ryan, Joseph, Stephanie, Justin, Maria, Emma, Christopher, Zachary, Micha, and Abbey; son Mike O’Brien, his wife Susan, and their children Robert, Michel, and Sean; daughter Kelly (O’Brien) Peterson and her husband Doug; and daughter Sharon (O’Brien) Despars, her husband Pat, and their children David, Stephen, and James. Services for Mr. O’Brien II will be at 10:00 am Saturday, August 13, 2016 at Unity of Mesa, 2700 E. Southern Ave, Mesa, AZ 85204 (480-892-2700). There will also be a gathering at noon, September 24, 2016 in Forest Lakes, AZ.