John L. DeCosta, Jr., of Belmont, January 2, 2012. Beloved husband of Janice (Templin) DeCosta. Devoted father of Dawn DeCosta, Deana Sheppard, Stacey DeCosta, John L. DeCosta and his wife Amanda, Scott DeCosta and his wife Robin and Courtney DeCosta. Brother of Margaret Shackleford, Lucille Giordano and Joan Rivers. Also survived by 6 grandchildren, 2 great grandchildren and many nieces, nephews,relatives and friends. Visiting hours on Friday, January 6, 2012 from 5 to 8pm at the Faggas Funeral Home,551 Mt. Auburn St.,Watertown, MA. Burial will be private.