William Arthur Parker

William Arthur Parker, of Saint Peters, MO, passed away Saturday, October 18, 2025, at the age of 74. Beloved husband of the late Dinese L Parker; cherished son of the late Clare and Bernice Parker; devoted father of Kathryn Parker, Harrison Parker and the late Laurie (Sean) Edmondson; loving grandfather of Zoe Parker and Maxxwell (Anna) Diebold.

William "Casey" lived a life devoted to God, family, and country. A dedicated member of the Church of Jesus Christ of Latter-Day Saints, he faithfully served in various roles throughout his life. He generously volunteered his time and survival skills with the Boy Scouts of America, reflecting his lifelong commitment to service. In 1985, Casey was commissioned as an officer in the United States Army and later worked for McDonnell Douglas, then Boeing, until his retirement in 2016. The quintessential family man, Casey was unwavering in his love and support for his family. Known for his warmth and kindness, he never met a stranger and treated everyone with compassion. He lived by the words of John 13:34, "As I have loved you, love one another.” offering unconditional love to all. Casey was deeply loved and will be profoundly missed by all who knew him.

Memorials may be made in Casey's name to Wounded Warrior Family Support or Fisher House.