| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 0 |
| Cambridgeshire | 1 |
| Channel Islands | 0 |
| Cheshire | 0 |
| Cornwall | 0 |
| Cumberland | 0 |
| Derbyshire | 1 |
| Devon | 0 |
| Dorset | 0 |
| Durham | 0 |
| Essex | 0 |
| Gloucestershire | 0 |
| Hampshire | 0 |
| Herefordshire | 0 |
| Hertfordshire | 0 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 0 |
| Lancashire | 1 |
| Leicestershire | 0 |
| Lincolnshire | 0 |
| London | 0 |
| Middlesex | 0 |
| Northumberland | 0 |
| Norfolk | 0 |
| Northamptonshire | 0 |
| Nottinghamshire | 0 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 0 |
| Somerset | 0 |
| Surrey | 0 |
| Sussex | 0 |
| Staffordshire | 0 |
| Warwickshire | 0 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 0 |
| Yorkshire | 0 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 1 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 0 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 0 |
| Pembrokeshire | 11 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 4 |
| Coal Miner | 3 |
| Coal Miners Drawer | 1 |
| Servant | 1 |
| Mariners Wife | 1 |
| Domestic Servant | 1 |
| Name | Census Frequency |
|---|---|
| William Ollen | 6 |
| Joseph Ollen | 5 |
| Sarah Ollen | 5 |
| Arthur Ollen | 4 |
| Thomas Ollen | 4 |
| Alfred Ollen | 3 |
| Ann Ollen | 3 |
| Annie Ollen | 3 |
| Elizabeth Ollen | 3 |
| Emma Ollen | 3 |
| George Ollen | 3 |
| James Ollen | 3 |
| Margaret Ollen | 3 |
| Maud Ollen | 3 |
| Charles Ollen | 2 |
| Edith Ollen | 2 |
| Emily Ollen | 2 |
| John Ollen | 2 |
| Louisa Ollen | 2 |
| Martha Ollen | 2 |
| Mary Ollen | 2 |
| Mies Ollen | 2 |
| Richard Ollen | 2 |
| Susan Ollen | 2 |
| Susannah Ollen | 2 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Allen | 80% | 422,866 |
| 2 | Allan | 60% | 38,712 |
| 3 | Ellen | 80% | 14,608 |
| 4 | Allin | 60% | 7,055 |
| 5 | Ellin | 60% | 1,822 |
| 6 | Allon | 60% | 1,655 |
| 7 | Ellan | 60% | 514 |
| 8 | Lilian | 33% | 319 |
| 9 | Lelean | 50% | 279 |
| 10 | Ellon | 60% | 251 |
| 11 | Ellion | 50% | 224 |
| 12 | Lelen | 60% | 146 |
| 13 | Allain | 50% | 139 |
| 14 | Lealan | 33% | 139 |
| 15 | Ollen | 100% | 114 |
| 16 | Ollin | 80% | 109 |
The surname Ollen is the 15th most popular variant of Allen.