Robert J. McCormack, 70, Ret., Lt., Oak Lawn Police Dept., Vet. U.S. Marine Corps. Beloved husband of Sheryn, nee Knudsen. Loving father of John (Donna), Larrence (Jill) Eryn (Tom Halpin) and Bryan McCormack. Proud grandpa of Megan, Kaitlyn and Kevin, Madilyn and Kiersten, Bailey and Delaney. Dear brother of Mary Ellen and Virginia. Fond uncle of many nieces and nephews. Visitation Monday 3:00 – 9:00 p.m. Funeral Tuesday 8:45 a.m. from Blake-Lamb Funeral Home, 4727 W. 103rd St., Oak Lawn to St. Gerald Church. Mass 9:30 a.m. Interment Holy Sepulchre Cemetery. In lieu of flowers, memorials will be appreciated to Poor Clare Sisters, 12210 Will Cook Rd., Palos Park, IL 60464. Attn: Sr. Amata Rose. Info 708-636-1193 or www.blakelamboaklawn.com