When Thomas Parker was born on 27 May 1791, in Brimfield, Hampden, Massachusetts, United States, his father, Nathaniel Parker Jr, was 30 and his mother, Rebecca Dudley, was 27. He married Sarah Seaver on 27 July 1820. They were the parents of at least 3 sons and 2 daughters. He died in 1832, in New Orleans, Orleans, Louisiana, United States, at the age of 41, and was buried in United States.