Nolan Quinn has cast 76 recorded division votes in the current parliament, voting yea on 48 (63%) and nay on 18 (24%). Quinn was absent for 10 votes (13% of all divisions). Quinn voted with the winning majority 86% 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 76 votes, 39 were on bills and 27 were procedural motions. As a member of the governing party, a high majority-alignment rate is typical.