John J. Leimer, 92, of Rochester, passed away on Friday, Nov. 29, 2019, at Saint Marys Hospital in Rochester.

John Joseph Leimer was born Nov. 27, 1927, in Brooklyn, N.Y., the son of John and Anna (Broschart) Leimer. He graduated high school at East New York then served in the United States Navy until his honorable discharge in 1949. John returned to school and earned an undergraduate degree from Rensselaer Polytechnic Institute and master's degrees in electrical engineering at Syracuse University and the University of Vermont-Burlington.

John married Joan Hearn on June 4, 1949, in Brooklyn, N.Y. In 1963, they moved to Rochester, where he worked for IBM for over 35 years. John was an active member at Mount Olive Lutheran Church, KIWANIS and past president of the Golden "K." He volunteered at Mayo Clinic and Meals on Wheels and enjoyed golfing, bowling, bridge, traveling, and his true passion flying as a private pilot.

John is survived by his wife of 70 years, Joan of Rochester; son, John (Nancy) Leimer of Rochester; daughter, Jude Leimer (Paul Strommen) of Madison, Wis.; four grandchildren, Jaime Decker (Brian), Beth Cooper (Scott), Max and Peter Strommen; four great-grandchildren, Landon, Melanie, Paige, and Elise; and nephew, Mark Kreiling. He was preceded in death by his parents; sister, Madeline Kreiling; and niece, Dorian Kreiling.

A memorial service will be held 11 a.m. Thursday, Dec. 5 at Mount Olive Lutheran Church, 2830 18th Ave. NW, Rochester. A visitation will be held one hour prior to the service at the church. Interment will be in Mount Olive Lutheran Church Columbarium. Memorials are preferred to Mount Olive Lutheran Church.

Ranfranz and Vine Funeral Home is honored to be serving the Leimer family. To share a special memory or condolence, please visit