Walker, Jr., Oliver "John", of Freeburg, Illinois; formerly of Bellflower, Missouri, died on Saturday, October 20, 2012 at the age of 56. He is the cherished husband of Wenhelmina Walker; loving son of Oliver John and Marilyn Walker; adored father of Sandra (Matthew) Harrington, Candice (Richard) Blackstock, Daryl Walker, and Zachary Walker; adored grandfather of Matthew, Jacob, Evan, Austin, Ryan, Megan; brothers, Scott (Linda) Walker and Dale (Mary) Walker; sister, Vickie (Steve) Jackson. John was employed as a machinist at Industrial Roller Company. He loved model trains, playing Farmville, and loved to go camping and fishing. Memorials may be made to the family for the funeral services of Oliver John Walker, Jr. c/o Candice Blackstock, or for the College Fund of Zachary Walker.