Dennis Ritchie Obituary

The world bids farewell to Dennis Ritchie (Mono, Ontario), departing on July 22, 2025 at the age of 74. Dennis leaves behind memories cherished by the community. Leave a sympathy message to the family in the guestbook on this memorial page of Dennis Ritchie to show support.

He was predeceased by: his parents, Howard Ritchie and Elva Ritchie; and his siblings, Bruce, Don (Marg) and Lois (Garnet).

He is survived by: his wife Dianne; his children, Jeffrey (Lorna), Kevin (Shelley), Michelle (Francisco) and Nicole; his brother Harold (Marg); and his grandchildren, Trent, Hailey, Kaylyn, Eri, Jayce, Darian, Rylie, Ashley, Kyree and Myla. He is also survived by Nieces and Nephews, extended family.