Graveside service will be held Saturday at 1 p.m. at the Masonic Cemetery in Grand Chain with Rev. Alan Milligan officiating.
Born Oct. 4, 1918 in Colorado Springs, Colo, Mrs Ehrstein and her husband, Michael, operated a paint store for many years in Los Angeles, Calif.
Survivors include her daughter, Mary J. Ehrstein of Ellicott City, Md.; and a number of nieces and nephews.
She was preceded in death by her parents, Lee and Nina Wilson Richardson.
Wilson Funeral Home in Karnak is in charge of arrangements.