Mary Margaret Keown of Navasota, Texas, passed away on December 19, 2025, at the age of 90. She was born on March 28, 1935, in Electra, Texas, the daughter of the late William Peyton Keown and Mary Virginia (Mayes) Keown. Mary is survived by three sons, Robert Lee Williams, John Mark Williams, and Jay McCullock Williams; extended family and friends. No public services are scheduled at this time.