William V. Callahan, 66, of Forest Park, died Dec. 1 at Loyola University Medical Center, Maywood. William was born Dec. 16, 1946 in Waukon, Iowa. He was a U.S. Army Viet Nam-era veteran and worked for the U.S. Post Office. He was brother of Mary (Bob) Fabrie, Betty (late John) O’Connor, Daniel Callahan, Colleen (late Michael) Mulvihill and Michael Callahan. He was uncle of Michael, Shannon, Dan, Jim, Tom, Shiela, the late Margaret and great-uncle of Eric, Amanda, Casey, Collins and Calle. Services have been held.