John William Jarrett was born in Wildersville, Tennessee on May 10, 1913. He was married to Opal May Altom, December 24, 1936. They had one child. He was baptized by R.L. Colley in 1924. He began preaching in Lexington, Tennessee in 1940. John received his training at Freed-Hardeman College, now University, in Henderson, Tennessee, and Bethel College in McKenzie, Tennessee. Jarrett preached most of his career in the southeastern United States. He began preaching in Humbolt from 1944-1947. He went to Georgia in 1948 and spent two years in the southern city of Americus. He later moved to Louisville, Kentucky and preached some years for the Haldeman Avenue Church of Christ. He ended his preaching career in the area near his home at the Roans Creek church of Christ north of Lexington, Tennessee. He passed from this life in 2001 and is buried in the Roan's Creek Church of Christ cemetery.
Preachers of Today, edited by Batsell Barrett Baxter & M. Norvel Young, c. 1952, page 176.