Kinsler was born in Tucson, Arizona. He is Jewish, and was born to a Jewish father and a Catholic mother. Kinsler’s paternal great-grandparents, Benjamin and Rose Künstlich, were born in Germany and immigrated to the United States in the 1930s to escape the rising antisemitism in Europe prior to World War II. Benjamin and Rose anglicized their last name to Kinsler by the time their son, Jack, was born in the U.S. Ian Kinsler's father, Howard, had grown up in the Bronx and played basketball during his freshman season at the University of Arizona, and was a warden at a state prison on Tucson's southeast side. He has been a major influence on Kinsler. When Kinsler was four his father would toss him fly balls, and his dad says Kinsler would "get under them like he'd been doing it his whole life."