American Veteran 04

Dennis Joseph Seitz

June 26, 2021


SEITZ, Dennis J.

Age 82, of Dayton, passed away Sat., June 26, 2021.  He was born in Dayton, Ohio, to the late Joseph D. and Evelyn M. Seitz.  He was a 1957 graduate of Chaminade Julienne Catholic High School, and earned a Bachelor’s of Science in Electrical Engineering from the University of Dayton. He spent his entire career of more than 40 years at NCR, where he developed key ATM technologies, resulting in several patents. He served 8 years honorably with the Ohio National Guard.

He is survived by his loving wife Kathryn E. Seitz (Brant), celebrating 60 years of marriage. They raised five children, Debora & Bob (dec) York of Scottsville, KY, Linda & Doug Blanford of West Chester, Karen Seitz of Dayton, Michael & Sarah Seitz of Centerville, Amy & Andy Wheeler of Gypsum, CO. He loved spending time with his grandchildren Justin & Jenny Blanford, Ryan & Liz Blanford, Lindsey Blanford, Alex Seitz, and Ellie Seitz. He is further blessed with four great-grandchildren, bringing so much light to his life.

He is survived by his sisters, Carol & Dave (dec) Jenkins and Jill & Don (dec) Drake. He was preceded in death by his sister, Jeanie & Stan (dec) Hefley. 

A Mass of Christian burial will be held at 12:00 pm, on Thursday, July 1, at Queen of Apostles Chapel, Mount St John, in Beavercreek, OH (4435 E Patterson Road).  Family will receive friends one hour prior to mass. Final interment at Mt. Zion Park Cemetery.

Family and friends are invited to a Celebration of Life meal at QAC “Si” lounge following the service at the Chapel.

In lieu of flowers donations may be made to:

Saint Vincent de Paul

Saint Jude Children's Hospital

Shriner Children's Hospital 

GRRAND (Golden Retrievers Rescue and Need Dogs – G.R.R.A.N.D)

University of Dayton School Fund

American Cancer Society

MORRIS SONS FUNERAL HOME, 1771 E. Dorothy Lane Kettering, Ohio in care of arrangements. Condolences may be sent to

To send flowers to the family or plant a tree in memory of Dennis Joseph Seitz, please visit our floral store.


Mass of Christian Burial
July 1, 2021

12:00 PM
Queen of Apostles Chapel (Beavercreek)

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