When Nathaniel Roach was born about 1681, in Annemessix Towne, Somerset, Maryland, British Colonial America, his father, John Roach I, was 47 and his mother, Sarah A Williams, was 36. He married Elizabeth Curtis about 1706, in Maryland, United States. They were the parents of at least 1 daughter. He died on 24 February 1721, at the age of 40.