Dennis Sullivan Obituary
It is with deep sorrow that we announce the death of Dennis Sullivan (Sturgeon Bay, Wisconsin), who passed away on November 23, 2025, at the age of 75, leaving to mourn family and friends. Leave a sympathy message to the family in the guestbook on this memorial page of Dennis Sullivan to show support.
In the echoes of fond remembrance, may a sense of peace be found, knowing that the memories held dear will continue to shape and inspire his loved ones, keeping Dennis' spirit alive in the hearts and actions of family and friends alike. While his presence may be gone, his impact lives on in the kindness shown to others and the joy found in the ordinary moments of life.
He was predeceased by: his parents, Michael W. Sullivan and Rita Shirley Sullivan (Atreau). He is survived by: his wife Eileen; and his daughter Bonnie Sullivan (Michael Ensalaco). He is also survived by siblings; siblings-in-law; nieces and nephews.
