From February 1942 onwards Oxlip served with close escort groups on Arctic convoys taking war materiel from the Western Allies to the Soviet Union. In three years Oxlip sailed with 18 Arctic convoys (outbound and homebound), contributing to the safe and timely arrival of more than 300 merchant ships. With the end of hostilities she was decommissioned and in 1946 she was sold to the Irish Government.
↑"RTÉ Archives - Policing Irish Waters Against Poachers". RTÉ. 1971. Retrieved 20 October 2018. In 1946 the Department of Defence bought three British corvettes for a bargain price and the Long Éireannach (LÉ) Cliona, LÉ Maev and LÉ Macha, were the sum total of the Irish navy for the next twenty years