Jack Osbourne is making sure his late father Ozzy Osbourne's legacy lives on. In an Instagram post, Jack, 40, and his wife Aree Gearhart announced that they welcomed a baby girl and named the newborn Ozzy Matilda Osbourne, seven months after his father died at the age of 76. 2:19 Ozzy Osbourne funeral: Sharon and family join crowds in Birmingham to pay tribute to rocker The announcement also revealed that Osbourne's daughter was born on the morning of March 5, weighing seven pounds and 12 ounces.