MacNeil lost 6–3 in the opening round of the 2016 UK Open to Rob Cross. He failed to get beyond the last 64 of an individual event this year. However, with John Part at the World Cup, team Canada saw off Greece 5–2 in the first round. Their second round match with Wales went to a doubles decider after Part beat Mark Webster, but MacNeil lost 4–0 to Gerwyn Price. Canada won it 4–2 to move into the quarter-finals, which again went to a doubles match after Part beat Brendan Dolan and MacNeil lost 4–0 to Daryl Gurney. Northern Ireland would win the game 4–1.