| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 0 |
| Cornwall | 0 |
| Cumberland | 0 |
| Derbyshire | 0 |
| 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 | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 0 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 0 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Independent | 1 |
| Name | Census Frequency |
|---|---|
| John Oregan | 11 |
| Mary Oregan | 10 |
| James Oregan | 8 |
| Thomas Oregan | 8 |
| Catherine Oregan | 7 |
| Timothy Oregan | 4 |
| Annie Oregan | 3 |
| Arthur Oregan | 3 |
| Cornelius Oregan | 3 |
| Ellen Oregan | 3 |
| Emily Oregan | 3 |
| Margaret Oregan | 3 |
| Michael Oregan | 3 |
| Patrick Oregan | 3 |
| Richard Oregan | 3 |
| William Oregan | 3 |
| Alice Oregan | 2 |
| Ann Oregan | 2 |
| Charles Oregan | 2 |
| Daniel Oregan | 2 |
| Eileen Oregan | 2 |
| Emma Oregan | 2 |
| Ethel Oregan | 2 |
| Frank Oregan | 2 |
| Honnora Oregan | 2 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Regan | 83% | 19,017 |
| 2 | Organ | 83% | 9,139 |
| 3 | Rogan | 67% | 5,119 |
| 4 | Ragan | 67% | 4,334 |
| 5 | Rigan | 67% | 596 |
| 6 | Rogen | 50% | 578 |
| 7 | Reagan | 67% | 530 |
| 8 | Reegan | 67% | 403 |
| 9 | Rugen | 50% | 298 |
| 10 | Regon | 67% | 276 |
| 11 | Ragen | 50% | 263 |
| 12 | Ragon | 50% | 198 |
| 13 | Rigen | 50% | 165 |
| 14 | Ragin | 50% | 160 |
| 15 | Oregan | 100% | 145 |
| 16 | Rugan | 67% | 116 |
| 17 | Regen | 67% | 111 |
The surname Oregan is the 15th most popular variant of Regan.