| May 1941 | CO: Lt Col JAL Powell |
| May 41 | North Irish Horse |
| 2/5/41 | PortrushFGC M held on Tpr May W for AA 15(1). |
| 8/5/41 | Tpr May found guilty – detention for 56 days. |
| 27/5/41 | Tpr Wasson JA received fatal injuries when involved in a traffic accident. |
| 30/5/41 | 2Lt HC Jeffrey joined from 102 OCTU. |