Milestone Pastoral Charge was formed as a United Church charge in 1925, part of Weyburn Presbytery, consisting of the Milestone preaching appointment. Between 1951 and 1958, the charge joined with Lang Pastoral Charge to create the joint Lang-Milestone Pastoral Charge. Between 1974 and ca.1986, appointments included Parry, as well as Lang and Milestone.

On January 1, 2013, the joint charge amalgamated with Rouleau-Wilcox Pastoral Charge to create the new Soo Line Pastoral Charge.