Gary was born in East Grand Rapids, Michigan on November 18, 1943 to Arthur Joseph Demske and Frances Bobell (later Cislo). He grew up in Germantown and Albany, New York. Gary graduated from the Rochester Institute of Technology in 1970 and married Davideen Joanna Manosky on September 3, 1977. He moved to Fern Park, Florida in 1978 and later to Coppell, Texas in 1983, where he lived for 37 years.
Gary became enamoured with electronics after receiving a crystal radio kit at five years old. He never looked back, developing into a brilliant senior electrical engineer specializing in creating and testing telecommunication networks. He loved his work, retiring only after a sudden heart attack in 2017.
Gary was a devout member of the Church of Jesus Christ of Latter-day Saints. He had a deep love of the Savior and served as an ordinance worker in the Dallas Texas temple. His life was centered around his testimony and church service.
Gary was a loving husband and father, always putting the needs of his family above his own. His gentle spirit and sense of humor uplifted those around him. He was always ready with a Dad joke and loved to make others smile.
He is survived by his wife Davideen (Manosky) Demske, his daughter Hilary Catherine Demske Pratt (and Andrew), his son Arthur Louis Demske, and predeceased by his eldest daughter Alice Frances Demske Hansen (and Kurt), his twin William Demske, and brother Theodore Demske (and Peggy). He leaves behind four grandchildren.
A private family service will be held on Tuesday, June 16, 2020. Gary will be interred at Rolling Oaks Memorial Center in Coppell.
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