Lisa M. Pennock Obituary
It is with deep sorrow that we announce the death of Lisa M. Pennock of Belleville, Illinois, born in Centralia, Illinois, who passed away on January 1, 2026, at the age of 73, leaving to mourn family and friends. Leave a sympathy message to the family in the guestbook on this memorial page of Lisa M. Pennock to show support.
Though Lisa has departed this earthly realm, her legacy endures — a legacy of love that will continue to illuminate the lives of family and friends in the darkest of hours. May her spirit soar on wings of eternal peace, forever cherished in the tender embrace of memory.
She was predeceased by: her parents, Ellis "Bud" McMillan and Marilyn McMillan (Gorman). She is survived by: her husband George "Sandy" Triefenbach; her children, Thomas Swartwout (Arielle) of Lexington and Hailey Swartwout of Atlanta, Georgia; her stepchildren, Jeremy Triefenbach (Katy) of Frisco, Jane Bannester of St. Charles, Gregory Triefenbach of Frisco and Christopher Triefenbach of St. Charles, Missouri.; and her siblings, Jami Elmore (Gary) of Walnut Hill, Ellis "Bud" and Michael McMillan (Kim). She is also survived by grandchildren and six step-grandchildren.
