Elizabeth Stephanie MacAdam, a cherished mother and grandmother, passed away peacefully on February 9, 2025, in Coplay, PA. She was born on June 5, 1944 in Bethlehem, PA to the late Alex Salay and Elizabeth Julia (Rootz) Salay.

For more than 25 years, Betty served as an engineering researcher coordinator at Lehigh University's Atlas Engineering Research Center. She enjoyed being part of the prestigious team at LU that makes bridges and building structures safer around the world. Her favorite tasks involved meeting and assisting the international students who had come to further their academic careers.

Beyond her professional life, Betty enjoyed raising three beautiful children: Rebecca MacAdam of Coplay, PA; Stephanie Rilley and her husband John of Charlotte, NC; and her late son, Mark Ranhold MacAdam, with whom she now rests in peace with. She is also survived by her grandchildren: Jessica Scola, Emily MacAdam, William MacAdam, Connor Rilley and Aamon Rilley.

Betty was a devoted Christian who loved to worship at Lehigh Valley Grace Church of Bethlehem and Notre Dame Church of Bethlehem. She had a generous spirit and enjoyed being active in Homeless Ministry, Children's Ministry, Child Evangelism Fellowship, and Haitian Children's Ministry.

Betty also enjoyed the companionship of friends at Hanover Community Center where she spent time learning the art of self-defense, quilting and her passion, playing Mah Jong.

Services: A Memorial Service will be held on Saturday, March 1, 2025 at 10 A.M. at Lehigh Valley Grace Church- 580 Bridal Path Road, Bethlehem, PA 18017.   A memory tribute may be placed at www.cantelmifuneralhome.com.

Contributions: In lieu of flowers, memorial contributions can be made in Elizabeth's name to: Native American Youth Ministries (NAYM)- P.O. Box 12291 Glendale, AZ 85318 or see their site for a link.