John Stamos names son after his late father

John Stamos and wife Caitlin McHugh have welcomed their newborn son. The couple named their baby boy Billy Stamos. The 54-year-old named Billy after his late father, Bill Stamos. Stamos posted a black-and-white photo on Instagram Monday of the baby laying on his chest. “From now on, the best part of me will always be my wife and my son,” Stamos wrote in the caption. “Welcome Billy Stamos (named after my father).”