| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 6 |
| Cornwall | 0 |
| Cumberland | 0 |
| Derbyshire | 0 |
| Devon | 0 |
| Dorset | 0 |
| Durham | 4 |
| Essex | 0 |
| Gloucestershire | 0 |
| Hampshire | 0 |
| Herefordshire | 0 |
| Hertfordshire | 0 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 0 |
| Lancashire | 9 |
| Leicestershire | 0 |
| Lincolnshire | 1 |
| London | 9 |
| Middlesex | 1 |
| Northumberland | 1 |
| Norfolk | 1 |
| Northamptonshire | 6 |
| Nottinghamshire | 0 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 1 |
| Suffolk | 0 |
| Somerset | 0 |
| Surrey | 0 |
| Sussex | 0 |
| Staffordshire | 0 |
| Warwickshire | 0 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 0 |
| Yorkshire | 8 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 2 |
| Carnarvonshire | 2 |
| Carmarthenshire | 5 |
| Denbighshire | 2 |
| Flintshire | 0 |
| Glamorgan | 63 |
| Merionethshire | 0 |
| Montgomeryshire | 9 |
| Monmouthshire | 9 |
| Pembrokeshire | 6 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| School | 17 |
| Coal Miner Hewer | 4 |
| Ysgol | 4 |
| Carpenter | 2 |
| Newsagent (dealer) | 2 |
| Quarryman | 2 |
| Dressmaker | 2 |
| Grocer Assistant | 2 |
| None | 2 |
| Machine Operator | 2 |
| House Keeper | 2 |
| Apprentice Fitter | 1 |
| At Home | 1 |
| Blacksmith Errand Boy | 1 |
| Butcher | 1 |
| Coal Merchant | 1 |
| Coal Miner Assistant | 1 |
| Collier Hewer | 1 |
| Contractor (pitwood) | 1 |
| Cook General | 1 |
| Dock Pilot | 1 |
| Eigger | 1 |
| General Servant (domestic) | 1 |
| Labourer Poper Mill | 1 |
| Printer | 1 |
| Name | Census Frequency |
|---|---|
| William Mergan | 52 |
| Mary Mergan | 43 |
| John Mergan | 37 |
| Thomas Mergan | 32 |
| Elizabeth Mergan | 27 |
| Sarah Mergan | 24 |
| Ann Mergan | 19 |
| Edward Mergan | 18 |
| James Mergan | 17 |
| George Mergan | 16 |
| Jane Mergan | 15 |
| Arthur Mergan | 12 |
| Ellen Mergan | 12 |
| Hannah Mergan | 12 |
| Eliza Mergan | 10 |
| Henry Mergan | 10 |
| Alfred Mergan | 9 |
| Alice Mergan | 9 |
| Charles Mergan | 9 |
| Samuel Mergan | 9 |
| Edith Mergan | 8 |
| Margaret Mergan | 8 |
| Richard Mergan | 8 |
| Annie Mergan | 7 |
| Caroline Mergan | 7 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Morgan | 83% | 427,345 |
| 2 | Margan | 83% | 5,220 |
| 3 | Margon | 67% | 1,164 |
| 4 | Mergan | 100% | 693 |
| 5 | Morgon | 67% | 674 |
| 6 | Morgen | 67% | 411 |
| 7 | Murgin | 67% | 235 |
| 8 | Margin | 67% | 200 |
| 9 | Murgan | 83% | 162 |
| 10 | Moorgan | 71% | 124 |
| 11 | Morgin | 67% | 117 |
| 12 | Moragn | 50% | 102 |
The surname Mergan is the 4th most popular variant of Morgan.