Mary (Sakeleris) Xenakis of Waltham, Massachusetts passed away on September 8, 2017. Beloved wife of the late George Xenakis. Loving mother of Andrew Xenakis and his wife Xenia and George Xenakis and his wife Helen. Cherished grandmother of 5 grandchildren. Sister of Basil Sakeleris and the late Pelagia Balademos. Also survived by relatives and friends. Funeral services on Friday, September 29th at 10:00 AM in the Taxiarchae Greek Orthodox Church , 25 Bigelow Ave., Watertown. A visitation will be held one hour prior to the funeral service from 9 - 10 AM in the church. Burial in Mt. Feake Cemetery, Waltham, MA.