Catherine R. Mangam (Cass), 91, of Newtown Square, formerly of Havertown, passed away on Friday, January 8, 2021 in Bryn Mawr Hospital. She was the adoring widow of Herbert M. Mangam who passed away on June 8, 2011. Born in South Philadelphia, she was the daughter of the late Alphons and Magdalen (Sauer) Galgon. Cass was an avid Philly sports fan, and loved watching and discussing games with her late husband and grandsons. She was a key punch operator, who last worked for Keystone AAA. She is survived by her children, including Donna (Joe) Tierney and Kelly Ann (Zach, deceased) Schultz. Loving grandma to Joseph, Michael and Jason Tierney, and Delaney Peterman. Socially distanced graveside service and interment open to family and friends at St. Peter & Paul Cemetery on Wednesday, January 13 at 12:30pm, to be followed by a luncheon. Logan Funeral Home, Inc., 57 S. Eagle Road, Havertown, PA 19083 is in charge of arrangements. Please visit www.loganfuneralhomes.com for online condolences.