Mark David Callahan
January 23, 1960 - July 21, 2026
Callahan, Mark D, Age 66, of Bryn Mawr, defied gravity on July 21st, 2026. Destination: The Dark Side of The Moon Mark was a graduate of Apple Valley H.S., served as a medic in the US Navy, and retired from the US Postal Service. He was... View Obituary & Service Information
