Col. Ret. John (Jack) F. Castonguay

Col. Ret. John (Jack) F. Castonguay, age 73, of Colorado Springs, Colorado passed away on Tuesday, 31 August 2021.

Jack a devout Catholic, was born 2 January 1948 in DuBois, Pennsylvania.

A graduate of DuBois Central Catholic High School and St. Francis University of Loretto, PA. With advanced degrees from Florida Institute of Technology in Environmental Engineering and Procurement Management.

Colonel Castonguay who served in the US ARMY had long military career included service in Viet Nam as well as the Persian Gulf War. He was awarded the De Fleury Medal from the Corps of Engineers.

His parents Richard and Alice Maicki Castonguay are deceased.

Jack is survived by his wife Rose Mills Castonguay; his son Richard: his daughter Francesca Dugger (Mony); his daughter Nicole Maglio (John): and his daughter Jackie Thompson (Steve). He was blessed with three grandchildren: Jordyne Dugger, Dorian Dugger, and John Dorian Maglio. He is survived by four brothers: Richard (Jane), Christopher (Verda), Karl (Ginny), and Robert Lon (Dawn), and one sister Alice.

Funeral arrangements under the direction of the Mountain View Funeral & Cremation, Colorado Springs, Colorado.

The memorial mass will be held on Tuesday, September 7, 2021 at 11:00 a.m. at St. Francis of Assisi Catholic Church, Colorado Springs, Colorado.

To view the livestream please visit:; look for the livestream link.

Memorial donations may be made to the Knights of Columbus or the Vietnam Veterans of America in Dedication to Colonel Ret. John “Jack” F Castonguay.

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