Born in Elwood City, Pa., John was a lifelong Morrisville resident.
Mr. Deithorn attended Holy Trinity School, graduated from Bishop Egan High School in 1961, and earned his Associate Degree in Computer Science from Bucks County Community College. Prior to his retirement, he was employed as a computer systems analyst with North American Phillips Lighting for 28 years. He also worked at Rohm & Haas, Optical Scanning, and The Bucks County Courthouse.
John was a member of Fairless Hills Elks No. 2023, where he served as Exalted Ruler three times, as well as serving several years as an officer. He was an avid golfer, who especially enjoyed playing at Pinehurst in North Carolina. Mr. Deithorn was also a veteran of the U.S. Marine Reserves, and a member of the Yardley American Legion Post No. 317.
Son of the late Milton and Bina (Donnelly) Deithorn, he is survived by his loving wife Kathleen ‘Kathy’ (McLaughlin) Deithorn; two children, Jeannette Wallace of Trevose and John A. Deithorn, Jr. of Morrisville; four brothers, Joseph of Florida, Milton of Bethel Park, Pa., Hugh of Doylestown, and David of Hanover, Pa.; a granddaughter, Jennifer Deithorn, and many nieces and nephews.
Relatives and friends are invited to celebrate his funeral Mass at 11 a.m. on Thursday, Feb. 27, at St. John the Evangelist Church, Morrisville. Interment will follow in Our Lady of Grace Cemetery, Langhorne. Friends may call Thursday morning from 9:30 to 10:30 a.m. at the J. Allen Hooper Funeral Chapel, 41 W. Trenton Ave., Morrisville, where a service conducted by Elks Lodges No. 970 and No. 2023, will be conducted at 10 a.m.
Memorial contributions in Mr. Deithorn’s name may be made to St. John the Evangelist Church, 752 Big Oak Rd., Morrisville, PA 19067, http://stjohnpa.org/.