1880
"Brothers F. M. Osborn and J. O. McClurkan were licensed" on one of these three days (September 24-26, 1880) at Bowen's Chapel Cumberland Presbyterian Church.
[Source: Extract of the Minutes of the Charlotte Presbytery of the Cumberland Presbyterian Church published in The Cumberland Presbyterian, October 28, 1880, page 5]

1881
McClurkan, J. O., Omega, Tenn.
Licentiate - Charlotte Presbytery
[Source: Minutes of the General Assembly of the Cumberland Presbyterian Church, 1881, page 82]

1881
"Brother J. O McClerkin was set apart to the whole work of the ministry by the laying on the hands of Presbytery and prayer. Rev. A. J. Parrish preached the ordination sermon and Rev. A. A. Wilson presided and gave the charge."
Ordained at the meeting held September 16, 1881 (meeting lasted more than one day but dates not given) at Shiloh Cumberland Presbyterian Church.
[Source: Extract of the Minutes of the Charlotte Presbytery of the Cumberland Presbyterian Church published in The Cumberland Presbyterian]

1882
McClurkan, J. O., Omega, Tenn.
Minister - Charlotte Presbytery
[Source: Minutes of the General Assembly of the Cumberland Presbyterian Church, 1882, page 112]

1882
"Rev. J. O. McClurkan and licentiate W. E. Jones were granted letters of dismission and recommendation."
Charlotte Presbytery met September 1, 1882 at the Waverly Cumberland Presbyterian Church.
[Source: Extract of the Minutes of the Charlotte Presbytery of the Cumberland Presbyterian Church published in The Cumberland Presbyterian, November 2, 1882, page 5]]

1883
Directory used 1882 information (not current)

1884
Not in list

1885
McClerkin, J. O., Decatur, Tex.
Minister - Guthrie Presbytery
[Source: Minutes of the General Assembly of the Cumberland Presbyterian Church, 1885, page 128]

1886
McClerkin, J. O., Decatur, Tex.
Minister - Guthrie Presbytery
[Source: Minutes of the General Assembly of the Cumberland Presbyterian Church, 1886, page 156]

1887
McClurkan, J. O., Stated Clerk, Visalia, Cal.
Minister - Tulare Presbytery
[Source: Minutes of the General Assembly of the Cumberland Presbyterian Church, 1887, page 164]

1888
McClurkan, J. O., Stated Clerk, Selma, Cal.
Minister - Tulare Presbytery
[Source: Minutes of the General Assembly of the Cumberland Presbyterian Church, 1888, page 176]

1889
McClurkan, J. O., Selma, Cal.
Minister - Tulare Presbytery
[Source: Minutes of the General Assembly of the Cumberland Presbyterian Church, 1889, page 185]

1890
McClurkan, J. O., Selma, Cal.
Minister - Tulare Presbytery
[Source: Minutes of the General Assembly of the Cumberland Presbyterian Church, 1890, page 131]

1891
Not in list

1892
McClurkan, J. O., San Jose, Cal.
Minister - California Presbytery
Pastor - San Jose Cumberland Presbyterian Church - San Jose, Cal.
[Source: Minutes of the General Assembly of the Cumberland Presbyterian Church, 1892, pages 139 & 238]

1893
McClurkan, J. O., San Jose, Cal.
Minister - California Presbytery
Pastor - San Jose Cumberland Presbyterian Church - San Jose, Cal.
[Source: Minutes of the General Assembly of the Cumberland Presbyterian Church, 1893, pages 141 & 238]

1894
McClurkan, J. O., San Jose, Cal.
Minister - California Presbytery
Pastor - San Jose Cumberland Presbyterian Church - San Jose, Cal.
[Source: Minutes of the General Assembly of the Cumberland Presbyterian Church, 1894, pages 156 & 250]

1895
Not in lists ever again

Heath, Merle McClurkan. A Man Sent of God: The Life of J. O. McClurkan. Nashville, Tennessee: Printed by Nazarene Publishing House for Trevecca Nazarene College, 1982. [1 copy in archives]

McClurkan, J. O. Wholly Sanctified: What It Is and How It May Be Obtained. Nashville, Tennessee: Pentecostal Mission Publishing Company, n.d. [1 copy in archives]

McClurkan, J. O. How to Keep Sanctified. Nashville, Tennessee: Pentecostal Mission Publishing Company, 1903. [1 copy in archives]

McClurkan, J. O. Behold He Cometh: A Series of Brief Lessons on the Second Coming of Christ. Nashville, Tennessee: Pentecostal Book and Tract Depository, 1901. [1 copy in archives]

McClurkan, J. O. Chosen Vessels. Nashville, Tennessee: Pentecostal Mission Publishing Company, n.d. [1 copy in archives]

McClurkan, J. O. Personal Work. Nashville, Tennessee: Pentecostal Mission Publishing Company, 1914.

McClurkan, J. O. The Ministry of Prayer. Nashville, Tennessee: Pentecostal Mission Publishing Company, n.d.

Strickland, S. W. A New Look at Rev. J. O. McClurkan. Nashville, Tennessee: The Parthenon Press, 1960.

Strickland, William J. and H. Ray Dunning. J. O. McClurkan: His Life, His Theology, and Selections from His Writings. Nashville, Tennessee: Trevecca Press, 1998. [1 copy in archives]