G.G. Heffelfinger was a Presbyterian and later United Church minister, whose Saskatchewan pastorates included Buchanan, Grenfell, Vanscoy, Melfort, Sixth Avenue United Church (Regina), and Watrous.

Born in Nebraska, Heffelfinger and his family moved to Drinkwater, Saskatchewan, in 1907. He attended the University of Saskatchewan, receiving his Bachelor of Arts degree in 1916. During the First World War, he served as a stretcher-bearer with the Canadian Medical Corps (12th Field Ambulance) overseas, and was awarded the Military Medal. After the war, Heffelfinger pursued theological training, at New College (Edinburgh) and St. Andrew's College (Saskatoon), and was ordained by the Presbyterian Church, in 1921. He married Jean Watkins, in 1922.

Heffelfinger served as minister in Buchanan, Saskatchewan, 1921–1924, and Fort William, Ontario, 1924–1929. He received his Bachelor of Divinity degree from United College (Winnipeg). Returning to Saskatchewan, he served in Grenfell, 1929–1933, Vanscoy, 1933–1934, Melfort, 1934–1936, and Oxbow, 1937–1942. After receiving a Bachelor of Education degree, he became Saskatchewan director for the Canadian Legion Educational Services.

After the Second World War, Heffelfinger served as minister at Sixth Avenue (later called St. John's) United Church, in Regina, 1946–1956, then at Atwood and Springfield (London Conference), in Ontario, until he retired, in 1962. Returning to Saskatchewan, he came out of retirement to serve as minister to Watrous, where he remained from 1962–1964.

Fred Martin was a Methodist minister, who served in Saskatchewan at North Portal, Dinsmore, Piapot, and Swift Current. He was received on trial at North Portal in 1908 and attended Wesley College (Winnipeg), from 1909 to 1914, before being ordained in 1915. He was minister at Piapot (1916–1917) and supplied at Swift Current (1918–1921).

Jesse H. Arnup, (1881-1965) was a Methodist and then United Church minister and later the Moderator of the United Church of Canada. He was born in Norfolk County, Ontario in 1881. In 1905, he was received on trial by the Methodist Church in Estevan, Saskatchewan. He graduated from Victoria College in 1909 and received his D.D. from Wesley College, Winnipeg, in 1924. From 1910 to 1912 he was Secretary of the Layman's Missionary Movement of the Methodist Church, Assistant Secretary of Overseas Missions from 1913 to 1925, and Secretary of United Church of Canada Foreign Missions from 1925 to 1952. He served as Moderator from 1944 to 1946.