Mary Patricia (Pat) Schaum, 90, of Warminster, PA passed away on November 28, 2020. Pat was born in Philadelphia, PA to John and Josephine Rigney. She graduated from Little Flower High School in 1948. She worked on the administrative staff at LaSalle College High School from 1982-2009. Pat is survived by her sons, Paul (Carol) of Kansas City, KS and Kurt (Margaret) of Philadelphia, PA, her brother, Jim Rigney, of San Bernardino, CA, grandsons Erik, Christopher and Kevin and many nieces and nephews. She was preceded in death by her husband, Donald, her son Robert, and brothers Jack, Tom and Jerry Rigney. Memorial donations may be made to the American Heart Association. Funeral Services will be private