Osgood, Thaddeus an American minister, noted as a philanthropist, was born at Methuen, Mass., Oct. 24, 1775, and was educated at Dartmouth College, class of 1803. He studied divinity with Drs. Lothrop and Emmons, and was ordained about 1806; was stated supply in Southbury, Conn.; and was a missionary in New York and Canada. He organized the first Church in Buffalo, N. Y., and many others; in 1812 he collected $9000 in England for a school in Quebec, and gathered there 200 boys in a Sabbath-school; went again to England in 1825, and collected $5000 for a society to promote education and industry in 1837 formed another society in Canada to supply Bibles for seamen and emigrants; was many years a distributer of tracts and founder of Sabbath-schools; went a third time to England for benevolent objects; and closed his useful life at Glasgow, in Scotland, Jan. 19, 1852. See Drake, Dict. Amer. Biogr. s.v.