Originally a Junior C team in the 1970s and 1980s, the Dukes merged with the neighbouring Jr. B Belleville Bobcats and took their place in the Metro League.
At the Dudley Hewitt Cup tournament, the Dukes first beat the Fort Frances Borderland Thunder of the Superior International Junior Hockey League by a score of 7–1.
In the final, they defeated the North Bay Skyhawks by a convincing score of 4–0 to win the Central Canadian Championship.
At the Royal Bank Cup 2003, their National tournament started with a 4–1 loss to the Saskatchewan Junior Hockey League's Humboldt Broncos.
In a hard battle with the Charlottetown Abbies of the Maritime Junior A Hockey League the Dukes prevailed 1–0 in overtime.
This feat won Howie the Elleanor Gilliam Memorial Trophy as the Central Ontario Jr. "C" Scoring Champion.
Note: GP = Games Played, W = Wins, L = Losses, T = Ties, OTL = Overtime Losses, GF = Goals for, GA = Goals against MetJHL Years OJHL Years Central Canada Jr. A ChampionshipsNOJHL – OJHL – SIJHL – HostRound-robin play with 2nd vs. 3rd in semifinal to advance against 1st in the finals.