Northumberland Hussars
| Date | Unit | Higher Formation |
| . | . | . |
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| . | The Northumberland Hussars | . |
| 1947.04.01 | Reconstituted in T.A. with HQ at Newcastle-on-Tyne and transferred to Royal Armoured Corps | . |
| . | B Squadron at South Shields | . |
| . | C Squadron at Morpeth | . |
| . | D Squadron at Hexham | . |
| 1967.04.01 | Disbanded and concurrently reconstituted as: | . |
| . | The Northumberland Hussars (Territorials) reorganised as infantry in TAVR III with HQ at Newcastle-upon-Tyne, including elements of 4th/5th Bn The Royal Northumberland Fusiliers, 6th Bn The Royal Northumberland Fusiliers, and 324 (Northumbrian Artillery) HAD Regt RA , less some personnel to 7th (T) Bn, The Royal Northumberland Fusiliers | . |
| . | A Squadron at Newcastle-upon-Tyne | . |
| . | B Squadron at South Shields | . |
| . | C Squadron at Blyth | . |
| 1969.01.01 | Reduced to cadre at Newcastle-upon-Tyne, sponsored by 101 Medium Regiment RA | . |
| 1971.04.01 | HQ Squadron, The Queen's Own Yeomanry reconstituted from cadre at Newcastle-upon-Tyne | . |
| 1972 | Redesignated NH (Northumberland Hussars) Squadron, The Queen's Own Yeomanry | . |
| 1986 | D (Northumberland Hussars) Squadron formed at Cramlington from elements NH Squadron which was redesignated as HQ (Northumberland Hussars) Squadron | . |
| 1999.07.01 | D (Northumberland Hussars) Squadron, The Queen's Own Yeomanry formed by redesignation of HQ Sqn at Newcastle; D Sqn at Cramlington disbanded (personnel possibly to Squadron HQ and two Troops of 100 Squadron 168 Pioneer Regiment) | . |
| 2006? | D Sqn formed det at Sunderland | . |
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