Lillian “Lil” Knoff, 78, of Great Falls, passed away on Friday, November 19, 2021. A visitation will be held from 12:00 p.m. to 2:00 p.m. on Saturday, November 27, 2021, at O’Connor Funeral Home. A funeral service will be held at 11:00 a.m. on Monday, November 29, 2021, at O’Connor Memorial Chapel with burial to follow at Mount Olivet Cemetery. Lillian “Lil” was born in Billings, Montana on July 4, 1943, to Ralph and Elizabeth Mainwaring. She graduated from Central Catholic High School in Billings, Montana. In 1965, she married Eugene Knoff, they moved to Great Falls for Gene’s job. Lil and Gene had three children: daughters, Karen and Lisa; and son, Edward. In 1973, Gene and Lil moved their family to Stockett, Montana. Shortly after, Lil started working as a housekeeper at Montana Deaconess Medical Center in Great Falls, later transferring into the laundry department where she worked until she retired in 2003. She enjoyed sewing, knitting, reading, camping with family, and traveling around the state in the “Gypsy” a Ford Ranger. Lil was especially proud of all her granddaughters and was blessed with a great-granddaughter in June, and was looking forward to meeting her great-grandson in March 2022.