Walter Keith MacDonald (known as Keith), 87 of Cottonwood, passed away on May 31, 2016. He was born on February 4, 1929 in Detroit, Michigan to Gordon MacDonald and Winifred Langford MacDonald. Keith grew up in Ontario, Canada. He attended school in Ontario through high school where he was a Canadian Naval Cadet. He then moved to the U.S. and attended college at the University of Wisconsin. Keith worked for 35 years in the aerospace department at Motorola Inc. in Scottsdale as a financial analyst. He retired in 1992. Keith was preceded in death by his parents Gordon and Winifred MacDonald. Also preceded him were his three sisters Helen, Betty and Dorothy and two brothers Douglas and Donald. His surviving family is his wife Avinell; one stepson Jeff; 5 grandchildren and 3 great-grandchildren. Keith will be at rest in the Veterans National Cemetery in Prescott, Arizona. He was a member of the Valley View Methodist Church in Cottonwood. An online guestbook is available to sign at www.westcottfuneralhome.com