[1] Following graduation from McGill with his Bachelor of Arts, Moore filled student ministry posts in Tatamagouche, Nova Scotia, and Portneuf, Quebec while studying for a post-graduate degree in divinity.

[1] He earned a Bachelor of Divinity in 1930, and after completing his graduate studies at Oxford University, was ordained as a minister of the United Church of Canada.

In 1971, Moore was elected to a two-year term as the 24th Moderator of the United Church of Canada, succeeding Robert McClure.

Moore later recalled in his memoirs that "It was not a great council but it did some good and significant things [...] Much time was spent on restructuring the church.

[3] At the 1971 General Council that elected Moore as Moderator, the delegates were presented with Plan of Union, the commission's proposal on how this could be accomplished.