Dennis (Denny) Ryan passed away on Saturday, January 28, 2023. Beloved husband of Diane Ryan (nee Ogden); Dear son of the late Raymond Ryan and Ann (Pat) Dahlke; Loving father of Gregory Ryan and Colleen (Lance) Cummiskey; Cherished grandfather of Kinlee and Adam; Dear brother of the late Ronald Ryan, brother-in-law of Debbie (Paul) Frisella; Dear uncle of Michael Ryan and Andrew (Traci) Ruether, great-uncle of Luella and Zelda; Memorial gathering on Friday, February 10, 2023, 12:00pm - 1:30pm at Jay B. Smith Funeral Home, 777 Oakwood Dr., Fenton, MO; Celebration of life service to begin at 1:30pm; Memorial donations to St. Jude Children's Research Hospital, Memorial Giving, 501 St. Jude Pl., Memphis. TN 38105-9959 or stjude.org/donate, would be appreciated.