| 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 | 9 |
| Gloucestershire | 0 |
| Hampshire | 0 |
| Herefordshire | 0 |
| Hertfordshire | 0 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 0 |
| Lancashire | 0 |
| Leicestershire | 0 |
| Lincolnshire | 0 |
| London | 8 |
| Middlesex | 0 |
| Northumberland | 0 |
| Norfolk | 0 |
| Northamptonshire | 0 |
| Nottinghamshire | 0 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 6 |
| 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 |
|---|---|
| Gardener | 2 |
| Merchant | 1 |
| Pupil | 1 |
| Female Turnkey | 1 |
| Name | Census Frequency |
|---|---|
| William Riach | 23 |
| John Riach | 16 |
| James Riach | 15 |
| Mary Riach | 15 |
| Jane Riach | 13 |
| Margaret Riach | 11 |
| Alexander Riach | 9 |
| George Riach | 8 |
| Annie Riach | 6 |
| Alice Riach | 4 |
| Ellen Riach | 4 |
| Martha Riach | 4 |
| Peter Riach | 4 |
| Robert Riach | 4 |
| Agnes Riach | 3 |
| Albert Riach | 3 |
| Alfred Riach | 3 |
| Elizabeth Riach | 3 |
| Emily Riach | 3 |
| Florence Riach | 3 |
| Isabella Riach | 3 |
| Lilian Riach | 3 |
| Thomas Riach | 3 |
| Adam Riach | 2 |
| Arthur Riach | 2 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Rich | 80% | 28,337 |
| 2 | Roach | 80% | 28,272 |
| 3 | Roche | 40% | 9,020 |
| 4 | Reach | 80% | 4,271 |
| 5 | Arch | 40% | 3,984 |
| 6 | Roch | 60% | 1,966 |
| 7 | Urch | 40% | 1,956 |
| 8 | Riche | 60% | 1,299 |
| 9 | Roache | 67% | 1,171 |
| 10 | Rouch | 60% | 1,099 |
| 11 | Richie | 50% | 1,029 |
| 12 | Reech | 60% | 551 |
| 13 | Arche | 20% | 385 |
| 14 | Ruch | 60% | 369 |
| 15 | Reich | 60% | 283 |
| 16 | Riach | 100% | 276 |
| 17 | Rach | 80% | 154 |
| 18 | Rooch | 60% | 143 |
The surname Riach is the 16th most popular variant of Rich.