HARRIS - Margaret M. (nee Knapp) August 12, 2013. Wife of the late John E. Harris; beloved mother of Norma (late Elmer) Hartzell, Jack Harris and Sister Maureen J. Harris, OSF; survived by 11 grandchildren, 23 great-grandchildren and six great-great-grandchildren; sister of the late Marion Herringer and Catherine Gruber. Family will receive friends Thursday 3-8 PM at the DIETRICH FUNERAL HOME, INC., 2480 Kensington Ave., Amherst, NY. A Mass of Christian Burial will be celebrated from Our Lady Help of Christian RC Church, Friday at 9:30 AM. (Please assemble at church). In lieu of flowers, memorials may be made to Sisters of St. Francis, Stella Niagara or Our Lady Help of Christian (Chapel Fund). Online condolences at www.TheDietrichFuneralHome.com