He was a member of Churchill High School Orchestra, Junior National Honor Society and Churchill High School Latin Club.
He volunteered with Interact and was active in Holy Spirit Catholic Church Youth Programs.
He is survived by his parents, Richard and Monica Laughlin; brother, Sean Laughlin; sister, Brittany Laughlin, all of San Antonio; grandparents, Fanelle and Joe Laughlin of Houston, and Carl and Traudi McDonald of Wimberley; uncle, Bill Laughlin of Nacogdoches; aunts, Carla Sargent of Houston and Laura McDonald of Wimberley; and numerous cousins.
In lieu of flowers, memorial contributions may be made in Brendan's name to a charity of your choice.