Jim Gaffigan Is a Dad of 5 — Get to Know His Kids

The firstborn son of the Gaffigan family, Jack Gaffigan, was born on Nov. 27, 2005. Like his parents, Jack has an interest in entertainment and has not only starred on "The Jim Gaffigan Show" but has also appeared in a few of his dad's stand-up shows, as reported by Romper. Jack doesn't have a strong social media presence but does appear in a number of his parents' Instagram posts and YouTube videos.