John Peter Mahnenschmidt
was born in Somerset or Westmoreland County, Pa., in 1783. He for
a time followed the calling of school teacher. He was instructed
in the Heidelberg Catechism by a colleague of Rev. Otterbein. He
often spoke at prayer meetings. In this nineteenth year he
preached a full sermon. In 1806, at the earnest solicitation of
the members, he began to preach to vacant congregations in Washington
County. He was licensed as a catechist in 1811, and to preach in
1812, and ordained in 1817. He came from Mahoning County, Ohio,
and preached at Zion's, seven miles south of Mercer County, Pa., for
seventeen years. He died July 11th, 1857 in Canfield, Ohio, aged
about seventy-four years.
History of the Pittsburgh Synod of the Reformed Church in the United
States, page 193.