John W. Masterson, age 80, beloved husband of Joan, nee Zaparty, devoted father of Dave Masterson, Diane (Steve) Tillotson, & Jim (Mary) Masterson. Loving grandfather of Chris, Tyler, Jaime, Emily, & John. Dear brother-in-law of Dorothy DiSalvo. Fond uncle of many. John was a self-made man; a trusted, invaluable friend-in-need; father figure to many beyond his immediate family; care-giver extraordinaire; accordion enthusiast; and a die-hard Bears and Cubs fan. Visitation Wednesday 3-9 pm at Blake-Lamb Funeral Home, 5015 Lincoln Ave., Lisle (on Rt. 53, ½ mile south of Ogden Ave. / Rt. 34) where funeral services will begin Thursday 9:15 am and proceed to St. Margaret Mary Catholic Church, Mass 10:00 am. Interment Resurrection Cemetery, Justice, IL. In lieu of flowers, memorials may be made to the American Cancer Society. For service info, call 630-964-9392.