However, Graham Dorrans fired home an equaliser four minutes later after a poor pass back by McQuilken
Livi's Tomas Pesir ran clear to finish with ease nine minutes after the break, but Stephen Dobbie rammed home an O'Connor cross on 56 minutes and was unlucky not to add to his tally several minutes later.
This was a much improved display by Queens but they will tested to the full when the League Leaders Hamilton visit Palmy next Saturday.
Travel Club Man of the Match - Neil MacFarlane