Mary Butherus Walker, 91, formerly of Beaufort and widow of James Albert Walker Sr., died Thursday, July 7, 2011, at Spanish Oaks Retreat in Savannah. Visitation will be at 1 p.m. Monday at St. Peter's Catholic Church. A Funeral Mass will be at 2 p.m. in the church, with interment in Forest Lawn Cemetery. Donations may be made to Spanish Oaks Retreat or Hospice of Spanish Oaks Retreat, 8510 Whitfield Ave., Savannah, GA 31406. Arrangements by Anderson Funeral Home.