Henry Garlick was born around 1813 in Connecticut. He married a woman named Clarissa, and they had at least two children: Charles, born on September 8, 1844; and George, born on June 21, 1846. By 1860, they were living in New Milford, Connecticut, and Garlick was working as a farmer. He owned $2,000 of real estate and $26 of personal property. By 1870, he was working as a miller. He died sometime after 1870.