Duke of Lancaster's Own Yeomanry
| Date | Unit | Higher Formation |
| . | . | . |
| . | . | . |
| . | The Duke of Lancaster's Own Yeomanry | . |
| 1947.01.01 | Reconstituted in T.A. with HQ at Wigan, and transferred to Royal Armoured Corps | . |
| . | A Squadron at Wigan | . |
| . | B Squadron at Bolton | . |
| . | D Squadron at Preston | . |
| 1967.04.01 | Disbanded and concurrently reconstituted as: | . |
| . | The Duke of Lancaster's Own Yeomanry (Royal Tank Regiment) (Territorials) in TAVR III by amalgamation with 40th/41st Royal Tank Regiment, RHQ at Clifton | . |
| . | HQ Squadron at Clifton, formed from 40th/41st Royal Tank Regt | . |
| . | A Squadron at Oldham, formed by amalgamation of A Sqn and B Sqn 40th/41st Royal Tank Regt | . |
| . | B Squadron at Clifton, ormed from Duke of Lancaster's Own Yeomanry | . |
| . | C Squadron at Bootle, formed by amalgamation of HQ Sqn and C Sqn 40th/41st Royal Tank Regt | . |
| 1969.01.01 | Reduced to cadre The Duke of Lancaster's Own Yeomanry (Royal Tank Regiment) at Clifton, sponsored by 75 Engineer Regt RE; less C Sqn which reroled as 238 Squadron 156 Regiment RCT; title was adopted for a while by 202 (Duke of Lancaster's) Field Squadron, 75 Engineer Regiment RE | . |
| 1971.04.01 | Reconstituted as The Duke of Lancaster's Own Yeomanry (Royal Tank Regiment) a Home Defence Infantry Battalion with HQ at Chorley by expansion of cadre | . |
| . | HQ Squadron at Chorley | . |
| . | A Squadron at Wigan | . |
| . | B Squadron at Clifton, Manchester | . |
| . | D Squadron at Preston and Blackpool | . |
| 1972.02.29 | Redesignated The Duke of Lancaster's Own Yeomanry | . |
| 1982 | HQ moved to Chorley | . |
| 1983.04.01 | Converted to recce (armoured cars) and transferred to Royal Armoured Corps | . |
| 198? | C (Home Service Force) Squadron formed at Chorley | . |
| 1992.11.01 | As a result of Options for Change amalgamated with The Queen'ÂÂs Own Mercian Yeomanry to form The Royal Mercian and Lancastrian Yeomanry | . |
| . | D (Duke of Lancaster's Yeomanry) Squadron, The Royal Mercian and Lancastrian Yeomanry at Wigan | . |
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