Mary M. Koch, age 68 of Hebron. Beloved wife of Wayne Koch for 43 years. Loving mother of Kurt, Nick (Marie), and the late Wayne Koch Jr. Adored grandmother of Nicholas and Jace Koch. Cherished sister of Martin (Sharon) Zentner and Michael (Lynn) Zentner. Fond sister-in-law of John (Barb) Koch, Nancy (Lenny) Marak, Bill (Dawne) Koch, Ann Marie (Keith) Koerner, and the late Martin Koch and Barbie Koch. Loving aunt, cousin, and friend to many. Memorial Visitation Friday, October 11th at 10 am at St. Mary Parish, 10 N Buffalo Grove Rd, Buffalo Grove. A life celebration mass will follow at 11 am. Inurnment St. Mary Cemetery. In lieu of flowers, donations to Collier House at Collier House, P.O. Box 957622, Hoffman Estates, IL 60195 or a donation of your choosing are greatly appreciated.