| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 0 |
| Cornwall | 0 |
| Cumberland | 0 |
| Derbyshire | 0 |
| Devon | 5 |
| Dorset | 0 |
| Durham | 0 |
| Essex | 0 |
| Gloucestershire | 0 |
| Hampshire | 0 |
| Herefordshire | 0 |
| Hertfordshire | 0 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 0 |
| Lancashire | 0 |
| Leicestershire | 0 |
| Lincolnshire | 0 |
| London | 0 |
| Middlesex | 0 |
| Northumberland | 1 |
| Norfolk | 0 |
| Northamptonshire | 0 |
| Nottinghamshire | 0 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 0 |
| Somerset | 0 |
| Surrey | 0 |
| Sussex | 0 |
| Staffordshire | 0 |
| Warwickshire | 8 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 0 |
| Yorkshire | 0 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 0 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 0 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Taylor | 1 |
| Cabinet Maker | 1 |
| Dress Foundry Apprentice | 1 |
| Female Servant | 1 |
| Name | Census Frequency |
|---|---|
| James Iamson | 17 |
| Mary Iamson | 14 |
| William Iamson | 12 |
| John Iamson | 11 |
| Thomas Iamson | 11 |
| Ann Iamson | 8 |
| Elizabeth Iamson | 8 |
| Susan Iamson | 8 |
| Charles Iamson | 7 |
| Sarah Iamson | 7 |
| George Iamson | 5 |
| Jane Iamson | 5 |
| Annie Iamson | 4 |
| Edward Iamson | 4 |
| Henry Iamson | 4 |
| Samuel Iamson | 4 |
| Alfred Iamson | 3 |
| Ethel Iamson | 3 |
| Maria Iamson | 3 |
| Robert Iamson | 3 |
| Catherine Iamson | 2 |
| Clara Iamson | 2 |
| Edith Iamson | 2 |
| Eliza Iamson | 2 |
| Ellen Iamson | 2 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Mason | 67% | 283,223 |
| 2 | Meason | 50% | 2,445 |
| 3 | Meeson | 50% | 2,302 |
| 4 | Emson | 67% | 2,280 |
| 5 | Mison | 50% | 2,029 |
| 6 | Amson | 83% | 1,428 |
| 7 | Amison | 67% | 1,281 |
| 8 | Imeson | 67% | 1,263 |
| 9 | Maison | 67% | 887 |
| 10 | Mauson | 67% | 753 |
| 11 | Aimson | 67% | 663 |
| 12 | Meson | 50% | 374 |
| 13 | Muson | 50% | 363 |
| 14 | Moson | 50% | 316 |
| 15 | Emison | 50% | 275 |
| 16 | Iamson | 100% | 220 |
| 17 | Imison | 67% | 203 |
| 18 | Masen | 50% | 202 |
| 19 | Masan | 50% | 115 |
The surname Iamson is the 16th most popular variant of Mason.