Denis a vécu toute sa vie à Robertville. Dans sa jeunesse, il a été forgeron et il a passé plusieurs hivers dans des camps d'exploitation forestière. De plus, il a été fermier à Robertville et a travaillé plusieurs années à Northern Machine Works

, ainsi qu'à S.M.I. à Bathurst jusqu'à sa retraite.

Denis lived in Robertville all of his life. In his younger days he was a blacksmith and spent many winters in the logging camps. He also farmed in Robertville and worked for many years at Northern Machine Works and then S.M.I., in Bathurst, wher

e he worked until his retirement.