Alexander DeNoon was born in 1873 in Westville, Pictou County, Nova Scotia. He attended Dalhousie University (1893) and Pine Hill Theology Seminary in
Halifax. He graduated with a Bachelor of Arts Degree and a Bachelor of Divinity degree. Alexander was Ordained in 1899. He married Ellen MacGregor and they had three children. He served in a number of Pastorates from 1900-1929. While in Nova Scotia he served seven years as chaplain for the 78th Highlanders in Pictou.
He accepted the call in 1914 to the Knox Presbyterian Church in Lethbridge. He then enlisted as chaplain for the 113th Battalion Lethbridge Highlanders and went overseas to France. Padre DeNoon returned two and a half years later and resumed his duties at the Church. He was honoured with a Doctor of Divinity from the University of Alberta and its affiliate Robertson College in 1921.
In the community, he was a member of the Lethbridge Rotary Club where he spoke at their 15th Anniversary in February 1920. He died in April 1931.
