Ourania N., Leotsakos, of Belmont, Mass., passed away on June 9, 2015. Beloved wife of the late Nicolas Leotsakos. Devoted mother of Theodore Leotsakos and his wife Deborah, and Maria E. Bililies and her husband Drew. Loving grandmother of Charles, Alexia, Nicole and Christopher. Also survived by many nieces, nephews, relatives and friends. Funeral Service on Thursday, June 11, 2015 at the Taxiarchae Greek Orthodox Church, 25 Bigelow Avenue, Watertown, Mass at 11am. There will be a brief visitation prior to the Service from 10 to 11am in the church. Relatives and friends kindly invited to attend. In lieu of flowers, donations in Ourania's memory may be made to the American Diabetes Assocation, 10 Speen St., 2nd Floor, Framingham, MA 01701. Burial in Mt. Auburn Cemetery, Cambridge, Mass.