Defender Richard Tait proved an unlikely goalscoring hero for the Saints after producing a moment of sublime skill to seal a deserved first league win of the season.
St Mirren have been on the hunt for a clinical finisher, with Jonah Ayunga and Keanu Baccus both going close to opening the scoring in a dominant first half for the home side in Paisley.
It looked like those misses might come back to bite them against the Staggies, with the visitors threatening to nick all three points on the break throughout an entertaining match.
