Parker McCollum’s second son is here, he revealed Sunday on Instagram. “Rocker Tommy Light McCollum! born on July 30th / 8 pounds 7 oz!” mom & dad x 2 here we gooooooo!” The post also includes a set of photos of the family of four posing together in mom Halley Ray Light McCollum’s hospital bed, along with some shots of big brother Major Yancey Tyler McCollum admiring his new sibling.