O’Connor had the home side in front after ten minutes with a clinical finish from close range.
The UCD man started the move himself when he linked up with Shane Day-Butz, who went on to find Darragh Noone and he played the ball into O’Connor’s path for the midfielder to fire past Callum Davidson for the only goal of a closely fought game.
The Irish were the dominant side throughout and they created a couple of other chances to add to their total efforts. But Alan O’Sullivan, Shane Day-Butz and O’Connor all failed to find the target, while Adrian Delap hit the base of the upright with another great chance.
The Scots always posed a treat in counter attacks and Robbie McGlade and Anton Dowds tested Matt Connor in the home goal but they failed to make the breakthrough and grab an equaliser.
SCOTTISH UNIVERSITIES: C Davidson (A Cadzow 85); C Windram (A Webb 83), M Verkaik, C Morgan, M Condie; R McGlade, F Daniels-Yeoman, R Kellock (R Calbacho 60); K Hall (M Bolotov 72), A Dowds, L Hunter (E Skjaeveland 66).
Referee: J Dyas (Dundalk)