Ruth Raybuck of Butler will celebrate her 80th birthday with an open house from 1:30 to 4 p.m. Saturday at St. John Reformed Church, Route 68 and Meridian Road, Butler Township.

The former Ruth Stark was born Sept. 15, 1925, in Tarentum. She married Daniel Raybuck on Oct. 26, 1946. He is deceased.

She has a son, Larry Raybuck of Rogersville, Mo., and twin daughters, Virginia Chambers of Lake City, Fla., and Donna Clark of Butler. She also has six grandchildren, a step-grandchild and six great-grandchildren. One step-grandchild is deceased.

A homemaker, Mrs. Raybuck is a member of the Tanglewood Senior Center, the Precious Stones Bowling League and various card clubs.

She belongs to St. John's Reformed Church.