• McIsaac led Halifax defensemen in goals, assists and points with 9-38—47 in the 2017-18 regular season (65 GP) and added 0-4—4 in nine postseason contests with the Mooseheads.

• He was named to the QMJHL All-Rookie Team in 2016-17 after posting 4-28—32 in 59 games and earned the Raymond Lagace Trophy that season as the QMJHL Defensive Rookie of the Year. He became the the third player in franchise history to receive the honor (since 1980-81), joining goaltenders Aleksei Volkov (1998-99) and Zachary Fucale (2011-12).

• Internationally, McIsaac represented Canada at the 2018 Under-18 World Championship (1-2—3 in 5 GP) and in their gold-medal entry at the 2017 Ivan Hlinka Memorial (1-2—3 in 5 GP).

• His uncle is NHL referee Jon McIsaac.

• Models his style of play after Kings defenseman Drew Doughty.