Dorothy passed away Tuesday evening, September 5, 2017 at the Lawrence Memorial Hospital in Medford. She was 94 years of age.  Born in Chelsea, she was the daughter of the late William and Madeline Rose Esther (Gundry) Collibee.  Dorothy was a homemaker throughout her working career.  She cared for her home and her 2 children.  Dorothy resided in Chelsea for 40 years before moving to Everett.  She was a late parishioner of St. Luke's Church in Chelsea and a member of the Everett Senior Center.

Dorothy is the wife of the late Henry J. Denning. She is the beloved mother of James "Jim" S. Denning and his wife Diane of NH, Janice D. Queenan of Everett.  Also lovingly survived by 4 grandchildren, Jill Queenan Gaudreau of Everett, Shawn Queenan, Danielle Jouritek of NH, Kristen Hughes of NH and 4 great grandchildren, Erin Queenan, Max Hawkins, Will Jouritek, Jack Jouritek, Mason Hughes, Luke Jouritek.

FUNERAL ARRANGEMENTS:  Funeral services for Dorothy are private.