Haggerty, John a minister of the Methodist Episcopal Church, was born in Prince George County, Md., Feb. 18, 1747. He was converted under the ministry of John King about 1771. He began to preach among his neighbors the same year, and continued to labor diligently for the Church, under the direction of Strawbridge, Rankin, and King, till he entered the regular itinerancy in the "year 1779." He preached both in English and German. He was instrumental in the conversion of not a few men of ability, who became ornaments of the ministry. He located, owing to the sickness of his wife, in 1792, and settled in Baltimore, where he continued to preach with great acceptance. He was one of the original elders of the Church, and died in the faith Sept. 4, 1823, aged seventy-six years. — Stevens, History of the M. E. Church, 2. 66, 496; 3:144,146.