| | | |
| Udimore | The Rape and Honour of Hastings | Sussex, Volume 9 |
| Uffington | Hundred of Shrivenham | Berkshire, Volume 4 |
| Ufford | Soke of Peterborough | Northamptonshire, Volume 2 |
| Ufton | Knightlow Hundred | Warwickshire, Volume 6 |
| Ufton Nervet | Theale Hundred | Berkshire, Volume 3 |
| Ullenhall | Barlichway Hundred | Warwickshire, Volume 3 |
| Ulverscroft: Priory of Ulverscroft | Religious Houses | Leicestershire, Volume 2 |
| Ulverston | Lonsdale Hundred (North of the Sands) | Lancashire, Volume 8 |
| Ulverston Grammar School | Schools | Lancashire, Volume 2 |
| Under: Shipton-Under-Wychwood and Langley | Wychwood Forest and environs | Oxfordshire, Volume 19 |
| Underditch: The Hundred of Underditch | | Wiltshire, Volume 6 |
| Underwood: Grafton Underwood | Huxloe Hundred | Northamptonshire, Volume 3 |
| Underwood: Grendon Underwood | Ashendon Hundred | Buckinghamshire, Volume 4 |
| Underwood: Weston Underwood | Newport Hundred | Buckinghamshire, Volume 4 |
| Underwood: Wotton Underwood | Ashendon Hundred | Buckinghamshire, Volume 4 |
| United Charity School, or Blue School, Wells | Schools | Somerset, Volume 2 |
| Up Marden | The Rape of Chichester | Sussex, Volume 4 |
| Up Nately | Basingstoke Hundred | Hampshire, Volume 4 |
| Up Waltham | The Rape of Chichester | Sussex, Volume 4 |
| Upavon: 49. Priory of Upavon | The Religious Houses of Wiltshire | Wiltshire, Volume 3 |
| Upavon | Swanborough Hundred | Wiltshire, Volume 10 |
| Upham | Bishop's Waltham Hundred | Hampshire, Volume 3 |
| Upholland: College of Upholland | Religious Houses | Lancashire, Volume 2 |
| Upholland: Priory of Upholland | Religious Houses | Lancashire, Volume 2 |
| Upholland School | Schools | Lancashire, Volume 2 |
| Upleadon | The Vale of Gloucester and Leadon Valley | Gloucestershire, Volume 13 |
| Upleatham | Langbaurgh Wapentake (East) | Yorkshire: North Riding, Volume 2 |
| Upminster | Chafford Hundred | Essex, Volume 7 |
| Upper and Lower Shuckburgh | Knightlow Hundred | Warwickshire, Volume 6 |
| Upper Arley | Halfshire Hundred | Worcestershire, Volume 3 |
| Upper Beeding | Bramber Rape (North-eastern Part) | Sussex, Volume 6, part 3 |
| Upper Clatford | Andover Hundred | Hampshire, Volume 4 |
| Upper Division | Munslow Hundred (part) | Shropshire, Volume 10 |
| Upper Gravenhurst | Flitt Hundred | Bedfordshire, Volume 2 |
| Upper Helmsley | Bulmer Wapentake | Yorkshire: North Riding, Volume 2 |
| Upper Heyford | Ploughley Hundred | Oxfordshire, Volume 6 |
| Upper Slaughter | Slaughter Hundred | Gloucestershire, Volume 6 |
| Upper Stondon | Clifton Hundred | Bedfordshire, Volume 2 |
| Upper Winchendon | Ashendon Hundred | Buckinghamshire, Volume 4 |
| Uppingham: Subsequent History of Uppingham Grammar School | Schools | Rutland, Volume 1 |
| Uppingham: The Grammar Schools of Oakham and Uppingham | Schools | Rutland, Volume 1 |
| Uppingham | Martinsley Hundred | Rutland, Volume 2 |
| Upsall: Hospital of St Lawrence, Upsall-in-Cleveland | Religious Houses | Yorkshire: General, Volume 3 |
| Upthorpe: Blewbury with Upton and Aston Upthorpe | Reading Hundred | Berkshire, Volume 3 |
| Upton: Blewbury with Upton and Aston Upthorpe | Reading Hundred | Berkshire, Volume 3 |
| Upton: Dinton with Ford and Upton | Stone Hundred | Buckinghamshire, Volume 2 |
| Upton | Leightonstone Hundred | Huntingdonshire, Volume 3 |
| Upton | Soke of Peterborough | Northamptonshire, Volume 2 |
| Upton Grey | Bermondspit Hundred | Hampshire, Volume 3 |
| Upton Noble | Bruton Hundred | Somerset, Volume 7 |
| Upton Scudamore | Warminster Hundred | Wiltshire, Volume 8 |
| Upton Snodsbury | Pershore Hundred | Worcestershire, Volume 4 |
| Upton Warren | Halfshire Hundred | Worcestershire, Volume 3 |
| Upton-cum-Chalvey | Stoke Hundred | Buckinghamshire, Volume 3 |
| Upton-upon-Severn | Pershore Hundred | Worcestershire, Volume 4 |
| Upwell: Outwell and Upwell | Wisbech Hundred | Cambridgeshire, Volume 4 |
| Upwood | Hurstingstone Hundred | Huntingdonshire, Volume 2 |
| Urchfont | Swanborough Hundred | Wiltshire, Volume 10 |
| Ursula: The Hospital of St Ursula, Chester | Religious Houses | Cheshire, Volume 3 |
| Urswick | Lonsdale Hundred (North of the Sands) | Lancashire, Volume 8 |
| Urswick Grammar School | Schools | Lancashire, Volume 2 |
| Uttoxeter: Alleyne's Grammar School, Uttoxeter | Schools | Staffordshire, Volume 6 |
| Uxbridge: Hillingdon, including Uxbridge | Elthorne Hundred (continued) | Middlesex, Volume 4 |