Asa William Henry Clapp (1805-1891) a U.S. Representative was born in Portland on March 6, 1805, and was graduated from the Norwich (Vermont) Military Academy in 1823. He engaged as a merchant in foreign and domestic commerce at Portland.
In the early 1820s, he owned what was to become the McLellan-Sweat Mansion, now a National Historic Landmark in Portland.
Elected as a Democrat to the Thirtieth Congress (March 4, 1847-March 3, 1849), Clapp was not a candidate for renomination in 1848, though he was a delegate to the Democratic National Convention in 1848 and 1852.
He resumed his former business pursuits; served as a director of the Maine General Hospital and of the Portland Public Library until his death in Portland on March 22, 1891, with interment in Evergreen Cemetery.
Source
“Clapp Asa William.” https://history.house.gov/People/Listing/C/CLAPP,-Asa-William-Henry-(C000413)/
(U.S. Congressional Biography)