John O. Penhollow

Aug 25, 1934 - Apr 24, 2022

With a heavy heart, we announce the passing of John Orin Penhollow, 87, of McKinney, Texas, on April 25, 2022. John was born on August 26, 1934 in Tama, Iowa, and leaves behind a legacy of love, family, and achievement.

Preceded in death by his parents, Harry S. and Mary Ann (Herink) Penhollow, and grandson, Austin Paul Jones, John is survived by his devoted wife of 63 years, Yvonne, and his two children, Cheryl Penhollow Stroope (Bill) of Southlake, Texas, and Steven Penhollow (Linda) of Frisco, Texas. He was also blessed with eight grandchildren and one great grandchild: Kevin Stroope, (Lyndsey), Eric Stroope (Ashley and their son Kyle), David Stroope, Kristen Blackwell (Tyler), Brian Stroope, and Sara Stroope; Andrew Penhollow, and Emily Penhollow. John also leaves behind his loving brother, Richard Penhollow (Joyce) of Yulee, Florida.

John was a proud graduate of the University of Iowa's ROTC program, earning his bachelor's degree in Electrical Engineering. He served in the U.S. Army as a Second Lieutenant, before earning his doctoral degree in Electrical Engineering from the University of Illinois, Urbana. Throughout his distinguished career as a Systems Information Research and Development Engineer, John worked in a variety of fields including Future Technologies, Geotech, Petroleum, and Data Analysis, reaching leadership positions at Bell Labs, Exxon, Bowne Corp., and the U.S. Government. John will be deeply missed by all who knew him.