2007-08: Louis Domingue was drafted in the first round (13th overall) of the 2008 QMJHL Draft by the Moncton Wildcats.
2008-09: In his QMJHL rookie season, Domingue played in 12 games for the Wildcats. He posted a 2.51 goals-against average and a .924 save percentage while turning in a 5-5-0 record. Domingue dressed for 10 playoff games but did not see any action.
2009-10: Domingue began the season with the Wildcats, playing in 22 games for that club. He registered a 2.81 goals-against average and a .902 save percentage in those games, while going 11-9-0 for the Wildcats. Domingue was traded to the Quebec Remparts, appearing in 19 games for that club. He posted a 2.54 goals-against average along with a .910 save percentage. In 9 playoff games for the Remparts, Domingue turned in a 4.35 goals-against average and a .863 save percentage in the post-season. He played for Team Orr at the 2010 CHL Top Prospects Game.
2010-11: Domingue played in a career-high 57 games in his third QMJHL season; playing a full-season for the Quebec Remparts after being obtained in a mid-season trade a year earlier. The Remparts had the league's third-best record in the regular season and Domingue was 37-15 with two of the losses in overtime and two shutouts. He posted a 2.65 GAA and .898 save percentage. In the playoffs, he was 11-6 with one shutout and had a 2.47 GAA and .913 save percentage as Quebec reached the league semifinals. Domingue was one of four goalies invited to the summer tryout camp for Canada's 2012 U20 World Junior Championship team.
2011-12: Domingue split the goaltending duties for the QMJHL's Quebec Remparts with Senators' prospect Francois Brassard in his third major junior season. He appeared in 39 games and was 23-8-4 with 4 shutouts; posting a 2.61 goals against and .914 save percentage. Quebec finished third in the East Division and reached the second round of the playoffs. Domingue played all 11 playoff games for the Remparts and was 7-4 with a 2.65 goals against and .897 save percentage.
2012-13: Domingue appeared in two AHL games with the Coyotes' affiliate in Portland, spending most of his first pro season with the ECHL's Gwinnett Gladiators. He was 1-0 with a 2.40 goals against and .931 save percentage for the Pirates, who finished second in the Atlantic Division. Domingue played in 34 ECHL regular season games with the Gladiators and was 23-9-2 with 3 shutouts; posting a 2.69 goals against and .904 save percentage. Gwinnett was first in the South Division and reached the second round. Domingue was 6-4 with 2 shutouts in the playoffs and had a 2.23 goals against and .926 save percentage.
A big goalie at 6’3", Domingue has the size and athleticism that is so often coveted in the crease. Plays a sound positional game and is able to make the majority of his saves look easy.
There is a pretty heated goalie battle going on in the AHL for Portland and Louis Domingue was relegated to the ECHL for the majority of 2012-13. Unless he can improve upon his numbers or have a tremendous camp and preseason he will likely remain in Gwinnett of the ECHL for purpose of sufficient playing time.