In Memory of




Obituary for Robert Graham Mertz

Robert Graham Mertz, 80, of North Huntingdon, died Saturday, January 20, 2024, in the AHN Forbes Health System. He was born October 04, 1943, in Greensburg, a son of the late Warren G. and Ruth Huhn Mertz. Bob retired as a Corporal from the Pennsylvania State Police Department and was a member of the Reclamation Church in Monroeville. In addition to his parents, he was preceded in death by a sister, Ruth Ella 'Becky' Lewis. He is survived by his loving and devoted wife, Maryjane Lesnick Mertz; two children, Kimberly Mikolowsky (David) of Winter Garden, FL and Robert A. Mertz (Laurie) of Henderson, TN; two stepchildren, Charles Gates (Pamela) of Harrison City and Craig Gates (Tracy) of Eighty-Four; five grandchildren, Dr. Jessica Mikolowsky, Courtney Mikolowsky, Bobby Mertz and Nolan Gates and Myria Gates; two sisters, Patricia Eberly (Gary) of Englewood, FL and Kathryn Grimm (Fred) of McClellandtown; and several nieces and nephews. Relatives and friends are invited to celebrate the life of Robert, Thursday from 2 to 5 p.m., the time of services with Pastor Jeremiah Canfield, officiating, in the Ott Funeral Home, Inc., 805 Pennsylvania Ave, Irwin, 724 863-8900. The Pennsylvania State Police will conduct a service at 4:50 p.m. in the funeral home. In lieu of flowers, memorial donations may be made to St. Jude’s Childrens Hospital or Humane Society of Westmoreland County. For online condolences / directions, visit us at