Callahan, Leroy F. ?Roy? of Meriden, CT, August 16, 2012 at the age of 86. Beloved husband of the late Lois (Fox) Callahan. Loving father of Patricia Campbell of Cohasset and Michael Callahan and his wife Claire of Wheaton, IL. Loving grandfather of Colin, Todd and Brendan Campbell and Matthew and Patrick Callahan. Father in law of Francis Campbell of Marshfield. Brother of the late John and Edward Callahan. Brother in law of Edward and Laura Fox of Jupiter, FL. Son of the late John F. and Emma (Dorau) Callahan. Roy served in the U.S. Marine Corp. and served during WWII. A funeral service will be held at the MacDonald Funeral Home 1755 Ocean St., Rte 139, Marshfield on Monday, August 20 at 12:00 noon. Interment in Couch Cemetery.