Dr. Brendan J. O'Brien

Dr. Brendan O’Brien, 85, of Macungie, died on Sunday, December 4, 2022, at home surrounded by his loving wife and family. He was married to Kathy (O’Donnell) O’Brien, with whom he celebrated 62 years of marriage. Brendan was born in Eddystone, PA, the youngest son of Brendan and Elizabeth O’Brien. Brendan was a respected physician known for his love of family, passion for the outdoors, and ability to enjoy life to the fullest. He graduated from Mount Saint Mary’s College, Emmitsburg, Maryland, and Philadelphia College of Osteopathic Medicine, Philadelphia, PA. In 1968 Brendan moved to Allentown to start his career as an orthopedic surgeon. He was actively involved in the osteopathic community, a Fellow of the American College of Osteopathic Surgeons, and served as Chairman of the Department of Surgery at Allentown Osteopathic Hospital from 1978 to 1990. He also led the Department of Orthopaedics for over 30 years. He concluded his medical career at OAA Orthopaedic Specialists in 2012. Brendan had a full life and many friends. He was curious and loved discovering new places and mastering hobbies. While Brendan was an avid hunter, fisherman, baker, and needle pointer, above all else, he was a devoted husband, father, and grandfather. He believed there was no better way to spend time than with his family – it brought him great joy. Brendan had a generous spirit and a positive approach to life. He lived his 85 years to the fullest and took every opportunity to learn, explore, and care for those around him. Brendan is survived by his beloved wife, Kathy; his children, Kathy, Anne, Brendan, Marnie, Courtney, and Erin, along with his sons and daughter-in-law Michael Thompson, Geoff Geis, Beth O’Brien, Scott Yeaw, Chip Wadsworth, and Christian Treiber, his ten devoted grandchildren, Riley, Emmy, and Zoe Geis, Wescott and Kathrine Yeaw, Ben, Lucy, and Erin Wadsworth, Clare O’Brien and Max Treiber, and his sister Margaret Lombardo. He loved them all deeply. A Memorial Mass of Christian Burial will be held on Monday, December 19, 2022 at 11 A.M. in St. Thomas More Catholic Church 1040 Flexer Ave. Allentown, PA 18103. The family asks that in lieu of flowers donations in his memory be made to Orthopedic Residency Resource Fund -- PCOM.edu