James “Jim” R. Plummer, 78, of rural Bluffton, passed away peacefully Monday evening, July 27, 2026, at his residence, with his wife Jenni at his side. Jim was born in Bluffton on Aug. 3, 1947, to Robert Carl Plummer and Helen M. (Graham) Romine. A 1965 graduate of Bluffton High School, he married Jennifer “Jenni” J. Mickley in Bluffton on Aug. 2, 1969. In addition to his wife, Jenni, Jim is survived by three sons, Shane E. Plummer of Los Angeles, Calif., Jared R. (Alexis) Plummer of Fairfax, Calif. and Brett E. (Zofia) Plummer of Elkhorn, Neb. ; a brother, Thomas “Tom” Plummer of Tigard, Ore.; a sister, Nancy Steffen of Bluffton; and three grandchildren, Ethan, Evan and Satya Plummer.