Son of James R. Willson, born near Elizabeth, Allegheny County, Pennsylvania, November 17, 1809. He graduated from Union College in 1829. He studied theology under the direction of his father, and was licensed by the Presbytery, June 5, 1834. He was ordained by the same Presbytery, and installed pastor of the First congregation of Philadelphia, November 27, 1834. He was elected Professor of Theology in the Allegheny Seminary, May 31, 1859. He authored numerous pamphlets and books expounding Covenanter principles. He died at his residence in Allegheny, August 31, 1866.
1841-James M. Willson.-A very thorough discussion of this office including its necessity, perpetuity and use.
1842-James M. Willson.-This represents Willson's early work on the mediatorial kingdom of Christ and its implications in the relam of civil government particularly that of the United States.
1850-James M. Willson.-In this essay, Willson explores the kinds of civil governments unto which Christians owe a conscientious submission in the Lord. He demonstrates that this only pertains to governments possessing certain characteristics, particularly a profession of Christianity.
1853-James M. Willson.-This volume contains a very careful and nuanced exposition of a portion of Scripture that has often been put to ill use by those who are not the friends of the rights of God or man.
1855-James McLeod Willson.-Two chapters for the proposed "Argumentative" portion of the RP Testimony; the first, discussing Testimony Bearing; the second, the Right of Dissent from Immoral Civil Constitutions.
1856-James M. Willson.-A survey of the doctrine of social covenanting with both an exposition and application designed as an apologetic for the Reformed Presbyterian position.