Louise M. Koch passed away on October 2, 2022. Louise was the beloved wife of the late George J. Koch; loving daughter of the late Santo and Lillian Scallio; devoted mother of George F. Koch and his wife Julia, Daniel B. Koch and his wife Lori-Ann, Tina L. Johnson and her husband Ronal, Lillian M. Koch and the late Bruce M. Koch; loving grandmother of Amanda, Kristen, Christopher, Danielle, Megan and great-grandmother of Kendall and Madison; cherished sister of Nadine Johansen and the late Frank Scallio. In lieu of flowers, donations may be made to Gilchrist Hospice 11311 McCormick Rd., Ste. 350, Hunt Valley, Maryland 21031.