Hubbard was born in
Tolland in the
Connecticut Colony. At the age of eleven Hubbard moved with his parents to
Claremont, New Hampshire. He was instructed by a private tutor. Hubbard studied law in
Charlestown, New Hampshire, and was
admitted to the bar in 1790. He commenced practice in
Windsor, Vermont. Hubbard married Elizabeth Hastings in 1793 and they had one child, Marie E. Hubbard. Hubbard was elected as a
Federalist to the
Eleventh Congress and served from March 4, 1809, to March 3, 1811. He was an unsuccessful candidate for reelection to the
Twelfth Congress in 1810. Hubbard served as justice of the
Vermont Supreme Court from 1813 to 1815.{{cite web|url= https://docs.google.com/viewer?a=v&q=cache:XLjbRJvvwKgJ:vermont-archives.org/govhistory/Officials/PDF/Justices.pdf+&hl=en&gl=us&pid=bl&srcid=ADGEESjU9pHryfWeBVUppyWH1BEyl8MlbuK-KkNEPdLOcfT_PbI11BK55hU1dBSYrwrI-t72cANmgdY7xoxgnWGDrei0ThE11-L43jrjz-A2RGJjfdhGbKitBoj7a_fOerefUAmZpdpP&sig=AHIEtbTag8L0TuHuJ7LTGDTissIESjFqUQ|title= Vermont State Archives and Records Administration ==Death==