The Baptist and Methodist churches are the leading religious denominations in the state; but there are also Presbyterians, Lutherans, members of the Christian Connexion (O'Kellyites), Disciples of Christ (Campbellites) Episcopalians, Friends, Roman Catholics, Moravians and members of other denominations.
Some of O'Kelly's followers joined the Disciples of Christ.
In 1812, urging baptism by immersion upon his followers by his own example, he took his father's place as leader of the Disciples of Christ (popularly called Christians, Campbellites and Reformers).
In both sets of figures the Disciples of Christ (U.S.A.) are included.
In 1906 it was estimated that there were 938,405 members of different religious denominations; of this total 2 33,443 were Methodists (210,593 of the Northern Church), 1 74,849 were Roman Catholics, 108,188 were Disciples of Christ (and 10,259 members of the Churches of Christ), 92,705 were Baptists (60,203 of the Northern Convention, 13,526 of the National (Colored) Convention, 8132 Primitive Baptists, and 6671 General Baptists), 58,633 were Presbyterians (49,041 of the Northern Church, and 6376 of the Cumberland Church - since united with the Northern), 55,768 were Lutherans (34,028 of the Evangelical Lutheran Synodical Conference, 8310 of the Evangelical Lutheran Joint Synod of Ohio and other states), 52,700 were United Brethren (48,059 of the Church of the United Brethren in Christ; the others of the " Old Constitution ") and 21,624 of the German Evangelical Synod.