Mary Alice Williamson 74, March 16, 2009. Beloved wife of the late William. Loving mother of Patricia (David) Rogers, Peggy (Gary) Davis, Darlene Williamson, Gerrie Heichman, Bill (Barbara) Williamson, Elizabeth Roberts and the late Harold Williamson. Also survived by 19 grandchildren and 9 great-grandchildren. Funeral Service will be 1:00 PM Friday at the R.G. & G.R. Harris Funeral Home, 15451 Farmington Rd., Livonia. Visitation Friday from 11 AM until time of Service at 1 PM. Share a memory of Mary with her family by signing the guestbook. Funeral Home: R.G. & G.R. Harris Funeral Home and Cremation Services 15451 Farmington Rd. Livonia, MI US 48154