 He made his Shelbourne debut during a League of Ireland Cup first-round tie on 24 March 2008 against Sporting Fingal at Morton Stadium, a match Shelbourne won 6–5 on penalties after a 2–2 draw after extra-time.Due to intense competition amongst Shelbourne's experienced backline, Lawrence was limited to five league and cup appearances during his season-long loan at Tolka Park.Lawrence was released by Shamrock Rovers following the conclusion of the 2008 season.