McCULLAGH, John, missionary, born in Edinburgh, Scotland, in 1811. When a member of the church of Reverend Thomas Chalmers, in Glasgow, he organized Sunday-schools among the fishermen and coal-miners of Scotland, and subsequently among the Roman Catholics of Connaught, Ireland. In 1834 he emigrated to the United States, connected himself with the American Sunday-school union as a volunteer, and labored at first among the so-called "bark-peelers" of Sullivan county, New York, then in southern Illinois, and after 1839 in Henderson, Kentucky In 1840 he entered regularly into the service of the Sunday-school union, and during the next twelve years he organized schools in seventy-five counties of Kentucky. In 1852 he was relieved of active missionary work, and made superintendent of missions in the south, which post he resigned in 1884.