Waltham- Mrs. Mary A. (Hinckley) Eisenhaur of Waltham died Monday April 5, 2004 in Newton Health Care Center in Newton. She was 89. Born in Boston, a daughter of the late Walter T. and Mary E. (Murphy) Hinckley, she was a resident of Waltham for 54 years where she worked until her retirement as a Traffic Supervisor for 18 years for the Waltham Police Department. She was the sister of the late Walter W. Hinckley, Eleanor Archdeacon, and Grace Gustafson. She is survived by her husband of 63 years, William Bill G. Eisenhaur of Waltham, one brother Horace Hinckley of Winthrop and many nieces and nephews. The Funeral will be held Friday at 9 a.m. from The Joyce Funeral Home, 245 Main Street (Rte.20), Waltham followed by a Liturgical Blessing in Saint Jude Church, 147 Main Street, Waltham at 10 a.m. Burial will be in Grove Hill Cemetery, Waltham. Visiting hours Thursday 4- 8 p.m.