The Real McCoys were once members of the Major Intermediate A Hockey League as the Dundas Merchants, and as the Dundas-Hamilton Tigers.

[citation needed] The Tigers won the J. Ross Robertson Cup in 1985 as the league's playoffs champions.

[1] In 1986, the Real McCoys were the last Ontario Hockey Association team to win the Hardy Cup as National Senior "AA"/Intermediate "A" Champions.

[citation needed] The Real McCoys played one year independent after the OHA Sr. League folded in 1987.

[citation needed] The Real McCoys won the J. Ross Robertson Cup as playoffs champions in 2002, 2003, 2009, 2010, 2011 and 2012.