Gregory A. Gills, Beloved son of Roland J.; cherished step-son of Eileen Doyle; loving brother of Steven M. (Rebecca) Gills, Debra (Ronald R.) Gills - Larsen and the late Carol L. (Marc G.) Berkheimer; dear nephew of Shirley (the late Earl) Gretza and Daniel A. Gills.  Visitation, Friday, 4 p.m. to 9 p.m. with a Memorial Service at 6 p.m. In lieu of flowers, donations to the American Cancer Society would be appreciated.  For information 773-774-3232 or www.kolbusmayfh.com