David L. Mulcahy Sr., 85, of Coplay, died July 31, 2025, at Lehigh Valley Hospital-Cedar Crest. He was the husband of Dorothy M. (Koch) Mulcahy for 64 years.

Born in Bethlehem, he was the son of the late Thomas Eugene and Mary Rebecca (Clooney) Mulcahy.

He served his country in the U.S. Navy during the Vietnam War.

He was employed as an electronic technician for Lockheed Martin for many years before retiring.

He was a member of Union United Church of Christ, Neffs.

He was a member of Allen O. Delke American Legion Post 16, Slatington.

In addition to his wife, he is survived by three sons, James H. with James of Allentown, David L. Jr. with Shelly of Slatington and Kevin S. with Tanya of Bethlehem; seven grandchildren; and two great-grandchildren.

He was predeceased by a brother, Thomas.

There will be a calling time 10-11 a.m., followed by a memorial service 11 a.m., Aug. 20 at the church, 5550 Route 873, Neffs.

Contributions may be made to the church memorial fund, c/o the funeral home, P.O. Box 196, Schnecksville, 18078-0196.

Arrangements were made by Heintzelman Funeral Home Inc.