| Bedfordshire | 0 |
| Buckinghamshire | 15 |
| Berkshire | 37 |
| Cambridgeshire | 15 |
| Channel Islands | 15 |
| Cheshire | 161 |
| Cornwall | 40 |
| Cumberland | 144 |
| Derbyshire | 56 |
| Devon | 67 |
| Dorset | 29 |
| Durham | 611 |
| Essex | 160 |
| Gloucestershire | 57 |
| Hampshire | 177 |
| Herefordshire | 8 |
| Hertfordshire | 29 |
| Huntingdonshire (and Rutland) | 7 |
| Isle of Man | 7 |
| Kent | 82 |
| Lancashire | 840 |
| Leicestershire | 66 |
| Lincolnshire | 71 |
| London | 959 |
| Middlesex | 110 |
| Northumberland | 707 |
| Norfolk | 76 |
| Northamptonshire | 39 |
| Nottinghamshire | 50 |
| Oxfordshire | 24 |
| Rutland (and Huntingdonshire) | 7 |
| Shropshire | 39 |
| Suffolk | 24 |
| Somerset | 52 |
| Surrey | 131 |
| Sussex | 39 |
| Staffordshire | 65 |
| Warwickshire | 101 |
| Westmorland | 122 |
| Wiltshire | 25 |
| Worcestershire | 40 |
| Yorkshire | 972 |
| Anglesey | 0 |
| Brecknockshire | 5 |
| Cardiganshire | 0 |
| Carnarvonshire | 12 |
| Carmarthenshire | 3 |
| Denbighshire | 10 |
| Flintshire | 0 |
| Glamorgan | 64 |
| Merionethshire | 0 |
| Montgomeryshire | 15 |
| Monmouthshire | 40 |
| Pembrokeshire | 8 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 991 |
| Coal Miner | 127 |
| General Labourer | 81 |
| Domestic Servant | 66 |
| Agricultural Labourer | 63 |
| Living On Own Means | 54 |
| Labourer | 53 |
| Dress Maker | 48 |
| Farmer | 47 |
| General Servant Domestic | 41 |
| Joiner | 28 |
| Living On Her Own Means | 28 |
| Cotton Weaver | 27 |
| Tailor | 26 |
| General Servant | 21 |
| Clerk | 21 |
| Grocer | 20 |
| Blacksmith | 19 |
| General Domestic Servant | 19 |
| Painter | 18 |
| Gardener | 18 |
| Carpenter | 18 |
| Farm Servant | 17 |
| Draper | 17 |
| House Keeper | 16 |
| Name | Census Frequency |
|---|---|
| William Allan | 2,660 |
| John Allan | 2,587 |
| Mary Allan | 2,460 |
| Elizabeth Allan | 1,642 |
| James Allan | 1,586 |
| George Allan | 1,445 |
| Thomas Allan | 1,372 |
| Sarah Allan | 1,055 |
| Margaret Allan | 1,005 |
| Robert Allan | 962 |
| Jane Allan | 944 |
| Ann Allan | 726 |
| Annie Allan | 576 |
| Charles Allan | 549 |
| Joseph Allan | 549 |
| Isabella Allan | 461 |
| Alice Allan | 456 |
| Ellen Allan | 454 |
| Henry Allan | 426 |
| Richard Allan | 372 |
| Alexander Allan | 345 |
| Edward Allan | 328 |
| Hannah Allan | 327 |
| Eliza Allan | 326 |
| David Allan | 301 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Allen | 80% | 422,866 |
| 2 | Allan | 100% | 38,712 |
| 3 | Ellen | 60% | 14,608 |
| 4 | Allin | 80% | 7,055 |
| 5 | Ellin | 60% | 1,822 |
| 6 | Allon | 80% | 1,655 |
| 7 | Ellan | 80% | 514 |
| 8 | Lilian | 50% | 319 |
| 9 | Lelean | 50% | 279 |
| 10 | Alan | 80% | 262 |
| 11 | Ellon | 60% | 251 |
| 12 | Ellion | 50% | 224 |
| 13 | Lelen | 40% | 146 |
| 14 | Allain | 83% | 139 |
| 15 | Lealan | 50% | 139 |
| 16 | Ollen | 60% | 114 |
| 17 | Ollin | 60% | 109 |
The surname Allan is the 2nd most popular variant of Allen.