May God bless you and your...
Doc served the city well. He was a good and dedicated detective who raised the bar for others. So sorry Jonathan
Sheila Pecor
December 07, 2025 | Work


Westfield, Massachusetts
1954 - 2022
Dennis M. O'Connor 1954 - 2022 Westfield Dennis M. O'Connor, 68, of Westfield, passed away on Dec. 11 at Holyoke Medical Center following a brief illness surrounded by his family and friends. Born in Springfield, he grew up in Westfield, the son of the late Joseph and Barbara (Hickson) O'Connor....
Read MoreDoc served the city well. He was a good and dedicated detective who raised the bar for others. So sorry Jonathan
Sheila Pecor
December 07, 2025 | Work
RIP Dennis, I remember you as a police officer in the early eighties, When I worked at the Courthouse
Joseph Jack
December 07, 2023 | Friend
Jon I'm so sorry to hear of your dad's passing. You always spoke highly of him.
Nancy Ayotte
March 23, 2023 | Friend
I just learned of Dennis´ passing. I met him during his recent investigative work with Judge Velis. His determination and attention to detail, as well as his compassionate investigative interview skills, were instrumental in the final determination of the Velis investigation. I also know from my son-in-law, a police officer who was taught by Dennis at STCC, that Dennis was a concerned, supportive teacher and mentor. May he rest in peace and find an Irish band in heaven! Erin go bragh! Dr...
Patricia Martin
March 13, 2023 | Work
I had the pleasure of riding on my harley with Dennis and a few of his Springfield Police members. We always had an enjoyable time and i valued those rides together. I'll miss the opportunity of more rides that will never take place.
Roger Bruce
January 25, 2023
Trish and the O´Conner family,May God bless you and your family in this time of sorrow.
Kyle kelleher
January 03, 2023 | Friend
Our deepest condolences to the O´Connor family- Sincerely, Attorney & Mrs William J Brown
William & Donna Brown
December 19, 2022 | Friend
May the love of friends and family carry you through your grief. So sorry for your loss. He was a great guy with so many wonderful relatives left to morn him.
George &Roxanne Phillips, Kennebunk Maine
December 18, 2022 | Other
To Tricia, Kevin and Kathy and all your family, My heartfelt condolences to all of you on Dennis' death. Growing up with him and all of you in the Moseley School and Princeton Street "posse", I have many fond memories of young Dennis. He certainly created a life-well-lived, full of service to others through his law enforcement career and his family. It was always a pleasure to run into him on the streets of Westfield. I last spoke to him during the run-up to our recent 50 year WHS...
Gerald LaPlante
December 17, 2022