Imperial Pastoral Charge was formed as a United Church charge in 1925, part of Regina Presbytery. As of 1932, the charge consisted of Imperial, Bermuda, Cullyton, and Stalwart. Davenport joined it by 1936, Indian Hill and Lake City by 1940. In 1957, Imperial amalgamated with Simpson to form Simpson-Imperial Pastoral Charge, in Saskatoon Presbytery. As of 1962, the charge included Imperial, Simpson and Stalwart (the latter was not listed from 1964).

Around 1970, the charge moved back to Regina Presbytery, with preaching points listed as Imperial, Simpson, and Liberty (previously part of Liberty Pastoral Charge, alongside Holdfast and Penzance). The name returned to Imperial Pastoral Charge ca.1971 and it later moved to Moose Jaw Presbytery. By 1994, preaching points were listed as: St. Andrew's United Church, in Imperial; Bethel United Church, in Liberty; and St. John's United Church, in Simpson. Bethel United (Liberty) closed June 30, 2007 and St. John's (Simpson) closed June 30, 2013.

Simpson Pastoral Charge was formed as a United Church charge in 1925, part of Saskatoon Presbytery, with points at Simpson, Amazon and June Rose. Flanderdale was also part of the charge, ca.1932. In 1957, Imperial and Simpson amalgamated to form Simpson-Imperial Pastoral Charge, in Saskatoon Presbytery, with points at Imperial, Simpson and Stalwart (as of 1962).