Robert Stanley O'Day, 75 left us on Tuesday, July 16, 2019. Beloved husband of Loretta O'Day (nee Alt). Loving step-father of John Alt, Bill Hachmeister, Phyllis Stolle, Jackie Gagan, Donald Seifert, Karen Hill and Donna Putman. Cherished grandfather of 17 and great-grandfather of 10. Dear brother of Helen and Sharon. Preceded in death by three brothers and three sisters. Our dear uncle, great-uncle, cousin and friend. A Funeral service will be at 12:00 PM on Monday, July 22nd at Jay B. Smith Funeral Home Fenton Chapel located at 777 Oakwood Dr. Fenton, Missouri 63026. The family will receive friends from 10:00 AM to 12:00 PM on Monday, July 22, 2019, at Jay B. Smith Funeral Home Fenton Chapel, 777 Oakwood Dr., Fenton, Missouri.