Nolan Quinn has cast 110 recorded division votes in the current parliament, voting yea on 70 (64%) and nay on 26 (24%). Quinn was absent for 14 votes (13% of all divisions). Quinn voted with the winning majority 82% of the time.

In the February 2025 election, Quinn won Stormont—Dundas—South Glengarry with 61.57% of the vote, a safe margin of +42.3% over Devon Monkhouse (LIB, 19.23%). Turnout in the riding was 42.98%.

Of the 110 votes, 63 were on bills and 33 were procedural motions. As a member of the governing party, a high majority-alignment rate is typical.