Randolph Michael Probstfield (November 9, 1832 – September 11, 1911) was one of the first white settlers in Clay County, Minnesota. He served in a variety of roles and was influential in the early development of the region. Probstfield returned to Germany in the fall of 1860 upon news of his father's death, but he came back to Georgetown in June 1861. Probstfield was an active citizen of Georgetown. He served as postmaster from 1864 to 1869. and manager of a trading post for the Hudson's Bay Company from 1865 to 1868