Costanzo “Bill” DeMarsilis, 100, of Hamden, passed away peacefully on Thursday, February 9, 2017 at Yale-New Haven Hospital with his family by his side.  He was the beloved husband of 62 years to the late Jean Carroll DeMarsilis.  Costanzo was born in New Haven on January 1, 1917; son of the late Domenico and Mary Torello DeMarsilis; had worked for John Hancock Insurance and later for New Haven Savings Bank until his retirement.  Costanzo was an avid UCONN Girls basketball and Yale Hockey fan.  Father of Joseph DeMarsilis, Janet DeMarsilis, Calvin (Nancy Navarretta) DeMarsilis, Mary (Kenneth) Melillo, John (Sallie) DeMarsilis.  Also survived by 12 grandchildren, 7 great-grandchildren and 9 great-great grandchildren.  Predeceased by his son Domenic DeMarsilis and his wife Peggy; a grandson Brian Lindsay and a brother Victor DeMarsilis.

His funeral procession will leave the North Haven Funeral Home, 36 Washington Avenue Tuesday morning at 10:30.  Family and friends may call from 8:30 to 10:30 am.  A Mass of Christian burial will follow in Our Lady of Mt. Carmel Church at 11:00 am.  Interment will follow in the St. Mary Cemetery, Hamden.