Mary "Marianthi" (Popa) Luka, of Watertown, MA, passed away on May 8, 2017. Beloved wife of the late Haralambos Luka. Devoted mother of Viron Luka, Cathy Smith and her husband Kelly, Dimitra Maund and her husband Bill and the late Arthur Luka. Cherished grandmother of Tom Maund, Briana Maund, Robby Smith, Nick Maund and Katie Smith. She was predeceased by 12 siblings. Also survived by many relatives and friends. Funeral from the Taxiarchae Greek Orthodox Church, 25 Bigelow Ave. Watertown, MA on Monday, May 15,2017 at 10 AM, Please got directly to church. Visitation on Sunday, May 14, 2017 from 4PM to 8PM at the funeral home. Relatives and friends kindly invited to attend. In lieu of flowers, donations in her memory may be made to the above named church. Burial in Ridgelawn Cemetery.