Mrs. Joan Duffy, age 83 of Mesa, Arizona, died on Monday, September 12, 2016. Joan Duffy is survived by her daughters, Barbara and Diane and sons, Lawrence, Edward and Thomas, brothers, John and Edward, 13 grandchildren and 10 great-grandchildren. A Mass of Christian Burial will be offered on Friday, September 16, 2016 at 10:00 a.m. at All Saints Catholic Church in Mesa. Interment will follow at Mountain View Cemetery in Mesa, Arizona. In lieu of flowers, contributions may be made to Society of St. Vincent de Paul, National Council of the United States, 58 Progress Parkway, Maryland Heights, MO 63043-3706. Mountain View Funeral Home is assisting the family with arrangements.