The great difference is in the attitude towards the Lord's Supper, the Reformed or Calvinistic Churches repudiating not only transubstantiation but also the Lutheran consubstantiation.
The Welsh Calvinistic Methodists are now a branch of the Presbyterian Church.
The doctrines of Presbyterianism are those generally known as evangelical and Calvinistic. The supreme standard of belief is the Word of God in the original languages.
Presbyterians of different churches in the United States in 1906 numbered 1,830,555; of this total 322,542 were in Pennsylvania, where there were 248,335 members of the Presbyterian Church in the United States of America (the Northern Church), being more than one-fifth of its total membership; 56,587 members of the United Presbyterian Church of North America, being more than two-fifths of its total membership; 2709 members of the Synod of the Reformed Presbyterian Church of North America, three-tenths of its total membership; the entire membership of the Reformed Presbyterian Church in the United States and Canada (440), 3150 members of the Welsh Calvinistic Methodist Church, nearly one-fourth of its total membership; and 2065 members of the Reformed Presbyterian Church in North America, general synod, about five-ninths of its total membership. The strength of the Church in Pennsylvania is largely due to the Scotch-Irish settlements in that state.
The Welsh Calvinistic Methodist Church had a total membership of 1 3, 280.