The on-loan Celtic player is suspended for the visit of the Glasgow club, as County look to stretch their unbeaten run to 10 matches.
Rocco Quinn and fellow-midfielder Richard Brittain are working their way towards fitness following long-term injuries, but will not play.
Abdoulaye Meite has a foot injury and the defender has a 50-50 chance of playing, while centre-back Darren Barr remains out of action due to a knee problem.
Partick will have James Craigen available for the trip to Dingwall after the forward served his recent suspension.
Christie Elliott is also back in contention after the Thistle forward missed the last six games due to a broken hand.
Jags defender Dan Seaborne and midfielder Sean Welsh are still unavailable for the visitors as they recover from ankle injuries.