William Frank Dufficy, 79, died Saturday, March 31, 2018. Born on Nov. 28, 1938, in Springfield, Massachusetts, he was the son of the late Ann Marie Learned and William J. Dufficy. He served in the U.S. Navy from 1958-1961 at the Great Lakes Naval Station and was also employed in the equine industry. Survivors include a sister, Ann Marie Sweeney; and a brother, Jack Dufficy, Tuscon, Arizona. A private burial will be held at Rose Crest Cemetery.