His career, of quite exceptional interest, is sketched in the D.N.B. , on the basis of his sister's Memorials of John Bowen , 1862 . After farming in Canada from 1835 to 1842 , he set his mind on holy orders, took his degree at Trinity College , Dublin , in 1847 ( LL.D. , 1857 ), was ordained in 1846 , and was preferred to a living in 1853 , but devoted himself and his considerable means to missionary work , paying frequent visits to the Anglican missions in the Near and Middle East . In 1857 he was consecrated bishop of Sierra Leone , but d. at Freetown 28 May 1859 .