Joan O'Connor Duffy, age 85 of Brooklyn entered into eternal rest on Tuesday, December 24, 2019. Mrs. Duffy was born February 10, 1934 in Brooklyn, New York. She is the daughter of the late Dennis Edward and the late Anne (Conlon) O'Connor. Beloved wife of 50 years to Donald O. Duffy. Loving mother of Owen D. Duffy (Nina) and Peter C. Duffy (Meghan). Cherished grandmother of Emma, Nora and Declan. Reposing Friday, December 27 from 2 to 5 PM and 7 to 9:00 PM at Marine Park Funeral Home, Inc., 3024 Quentin Road, Brooklyn, NY. Mass of Christian burial will be held 10:00 AM on Saturday, December 28 at St. Columba R.C. Church, 2245 Kimball Street, Brooklyn. Burial to immediately follow at Green-Wood Cemetery, Brooklyn on Saturday. Forever In Our Hearts Eternal rest grant unto her, O Lord, and let perpetual light shine upon her. May her soul and all the souls of the faithful departed, through the mercy of God, rest in peace. Amen Please see SERVICE INFORMATION for specific details and directions of services. Please take advantage of the condolence tab if you are unable to attend or merely wish to express your love and grief over Joan's passing. For those wishing to Send Floral Tributes, please call 718-238-6978.