[2] She competed for a year with the Professional Women's Hockey Players Association, a worker's union pushing for equality in the sport, and retired from playing in 2021.

[4] The sisters also founded the Lamoureux Foundation, which funds educational and extracurricular programs for children in need, primarily in their home state of North Dakota.

The reason for the transfer to their home state was attributed to the fact that North Dakota hired Brian Idalski, a former coach at the USA Hockey Development Camps.

In the series against Bemidji, she scored two goals and assisted on three others as North Dakota ran its unbeaten streak to five games at 4–0–1.

[8] She won a silver medal at the 2010 Winter Olympics with the 2009–10 USA Hockey national women's team.

Monique and her sister Jocelyne were the first set of twins ever to play women's ice hockey in the Olympics.

[12] In the opening match of the 2012 IIHF World Women's Championships, Lamoureux scored two goals in a 9–2 win over Canada.

Lamoureux and Brampton's Jamie Lee Rattray both threw punches,[14] as video footage went viral online.

Mario skated for Team USA at the 2006 Viking Cup and then played for the North Dakota Fighting Sioux before turning pro.

[6] On February 23, 2021, Jocelyne and her twin sister published Dare to Make History, a memoir chronicling their journey to the pinnacle of the hockey world.