Dennis Sean Costello Obituary
With heavy hearts, we announce the death of Dennis Sean Costello of Deep River, Connecticut, born in New York, New York, who passed away on January 13, 2024 at the age of 85. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
He was predeceased by: his parents, John Costello and Mary Costello (Sullivan); his brother Timothy K. Costello; his daughter Anne Dombrofski (Costello); and his son-in-law Brendan Saunders.
He is survived by: his wife Catherine (Dashner) of Deep River; his sister Erin Costello of Port Hueneme, CA; and his grandchildren, Sean, Claire Dombrofski, Jonathan, Nicholas Costello, Jorden Saunders, Elyse and Leah Brassard.
In lieu of flowers, memorial contributions may be made to St. Joseph's RC Church/St. Teresa of Calcutta Parish, 14 Prospect Street, Essex, CT 06426.
