The league was formed in 2014[1] to help fill a void of junior lacrosse in the area.

The Vermont Jr. Voyageurs (6-0) finished undefeated in the regular season[2] to earn a playoff bye into the championship series.

Second-seed Montreal Shamrocks (4-2) defeated Kanehsatake (2-4) in two-straight games (12-1, 13–3) to advance.

Game 2 was played in Montreal, with the Jr. Voyageurs clinching the first-ever MJLL title with an 11–6 victory.

On May 16, 2015, the Montreal Shamrocks won the first-ever FNJBLL game, 6–5 over Kanehsatake Warriors.