Mary M. Hilliard, 81, of Butler passed away on Saturday, October 23, 2021. She was born in Cadogan on June 9, 1940 to the late John and Anna (Pluski) Musick. Mary enjoyed bingo, country music, picnics, Facebook, and spending time with those she loved. She was the mother of Gilmore Hilliard Jr., Sarah (Timothy) Claypool, Ruth Ann Nagy, and Paul Hilliard; and step mother of Gordon Brown. Mary is also survived by her 14 grandchildren. She was preceded in death by her husband Gilmore Hilliard Sr., 5 brothers, 2 sisters, and grandson. Friends received on Wednesday, October 27, 2021 from 5-7 PM at the SPENCER D. GEIBEL FUNERAL HOME & CREMATION SERVICES, 140 NEW CASTLE RD, BUTLER, PA 16001, WWW.SPENCERDGEIBEL.COM. A blessing service will immediately follow in the funeral home. Burial will be held privately in Butler County Memorial Park cemetery.