Scotsman Conwell had to move to Ireland to achieve recognition, after 6 matches for Aberdeen. In his short time in Northern Ireland, he played in the Irish League victory over the Football League and then moved to make 8 appearances for West Ham, and scored 1 goal. He played 2 games for City as a replacement for Ted Roberts, then suffered a severe injury which forced him from the professional game. He made a short comeback with Hinckley United just before the war started.