When Oliver Pomeroy was born on 7 December 1774, in Suffield, Hartford, Connecticut, United States, his father, Eliakim Pomeroy, was 39 and his mother, Sarah Sheldon, was 39. He married Polly Day on 19 February 1800, in Westmoreland, Oneida, New York, United States. They were the parents of at least 1 son and 3 daughters. He died on 9 October 1805, in Verona, Oneida, New York, United States, at the age of 30, and was buried in Verona Cemetery, Verona, Oneida, New York, United States.
English (of Norman origin; mainly Devon and Dorset): habitational name from any of various places in northeastern France named with Old French pommeroie, pommeraie ‘apple orchard’ (collective of pomme ‘apple’). The name was established in Ireland in 1573.