Blackaller, Henry a Protestant Episcopal clergyman of the Diocese of Ohio, was rector in Mansfield for several years, until 1856. Subsequently he was rector in Newark, and in 1858 was chosen rector of Zion Church, Dresden; in 1860 he became rector of Christ Church, Ironton, whence he removed, about 1864, to Gallipolis, where he died, June 21, 1867, aged sixty-nine years. See Prot. Episc. Almanac, 1868, p. 104.