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Terrence John McMahon.

Terrence (Terry), was born in 1941 in Saint Paul, Minnesota. He passed away on Friday, November 11, 2016 in Spokane, Washington. He attended the University of Nevada Reno where he earned a Bachelor of Science in Geophysics, and later earned a Master of Science in Mining Engineering from the New Mexico Institute of Mining and Technology. In 1976 he married Helen Turney in Virginia City, Nevada. Terry enjoyed reading books on western history in between working on maintaining his mathematics skills. He was a trained small aircraft pilot and very mechanically inclined. Terry could often be found in his free time working in the garage maintaining the family vehicles. He was known for his great sense of humor and quick-witted commentary.
He is survived by his wife Helen; 3 sons and two daughter in-laws, Sean & Jennifer McMahon, Mark McMahon, and Bryan & Erica McMahon; 2 grandchildren Mason, and Aiden; 2 brothers Dennis McMahon, and Bill McMahon of AZ. Services will be held on Saturday, November 19th at 12:30pm at Assumption Parrish, 3624 W Indian Trail, Spokane, Washington. Terry will be privately inurned at Holy Cross Cemetery. On-line condolences may be posted at