James Joseph Dupuis of North Haven passed away peacefully in his sleep after a long illness.  He was predeceased by his brother Francis Dupuis and his parents, Florence and Frank Guglietti.  Jim graduated, with honors, from Notre Dame High School in 1966.  He entered the Order of Holy Cross Brothers in Massachusetts. He left the Order after two years, but remained at Stone Hill College. After graduation he entered the Boston Conservatory of Music and was admitted to the prestigious Opera Workshop under John Moriarty.  He studied voice with Donna Roll and David Blair Meklosky.  He coached at the Metropolitan Opera with Paul Meyer.  He sang with Boston Light Opera and Boston Opera under Sarah Caldwell.  He also performed with the Connecticut Opera at the Bushnell in Hartford.  He was a member of Actors Equity.  He is survived by an aunt, uncle and several cousins.  Donation may be made in his name to a charity of ones choice.