Born in Devonshire, England, in the Kingdom of Great Britain, Widgery immigrated to America with his parents, who settled in Philadelphia.
He was admitted to the bar and commenced practice in Portland in Massachusetts' District of Maine, about 1790.
He served in the state Senate in 1794, and ran for Massachusetts's 13th congressional district that year.
He was interred in the Eastern Cemetery in the Munjoy Hill neighborhood of Portland, Maine.
This article incorporates public domain material from the Biographical Directory of the United States Congress