| November 1939 | CO: Lt Col Sir Ronald Ross |
| Nov 39 | North Irish Horse |
| 1/11/39 | Belfast 24 recruits made A/U/LCpls. Two WOs and one Sgt lent by 2nd Btn SWB as temporary instructors. |
| 2/11/39 | CO returns from hospital. |
| 4/11/39 | Departure of initial selection of A/LCpls for vacancies at AFV School Bovington in D&M, and Gunnery courses. |
| 7/11/39 | 100 rounds of SAA taken over from E Lancs for escort purposes. Advance party leaves HOLYWOOD BKS for ENNISKILLEN. |
| 10/11/39 | Main body under command of Capt Newton leaves and arrives at ENNISKILLEN. RHQ opens up at CASTLE BKS. |
| 13/11/39 | 2Lt Butler to instructors course (D&M) at Bovington. 2Lt Marquis of Ely to Wireless course at Bovington. 2Lts Herdman, Nugent, Crofton to Elementary course (D&M) at Bovington. Strength return – total of ORs 90. |
| 14/11/39 | 10 A/LCpls made A/Cpl. 13 Troopers made A/U/LCpls. |
| 15/11/39 | 53 recruits enlisted. Appointments:-
| Capt Stronge | OC HQ Sqn |
| Capt Booth | 2i/c HQ Sqn |
| Capt Lord O'Neill | PMC & Sports officer |
| Capt Newton | WTO & A/TO |
| 2Lt Pomeroy | Int Officer & A/Sigs Officer. |
|
| 16/11/39 | Four instructional vehicles purchased in Belfast and taken over. Lt GE Calvert RAMC joins Regt as MO. |
| 18/11/39 | 2Lt JA Coey gazetted from London Scottish. |
| 20/11/39 | 2Lt Adams goes on Tech Officers course Bovington. |
| 24/11/39 | 38 recruits enlisted. Total of ORs 134. |
| 25/11/39 | Major Tyler DAAG visits Regt. |
| 26/11/39 | Six 4 wheel trucks (15cwt), one wireless van, one wireless truck, one water truck, one Humber utility and ten M/Cs taken over from OO. |
| 28/11/39 | Ten A/U/LCpls made. |
| 30/11/39 | Eight A/U/Sgts made. Strength of ORs 173. |