| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 4 |
| 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 | 0 |
| Leicestershire | 4 |
| Lincolnshire | 0 |
| London | 0 |
| Middlesex | 0 |
| Northumberland | 1 |
| Norfolk | 0 |
| Northamptonshire | 17 |
| Nottinghamshire | 0 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 0 |
| Somerset | 0 |
| Surrey | 0 |
| Sussex | 0 |
| Staffordshire | 0 |
| Warwickshire | 5 |
| 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 |
|---|---|
| Agricultural Labourer | 3 |
| Cotton Weaver | 1 |
| Silk Weaver | 1 |
| Blacksmith | 1 |
| Butcher | 1 |
| Male Servant | 1 |
| Widow | 1 |
| Coal Miner | 1 |
| Tailor | 1 |
| Name | Census Frequency |
|---|---|
| John Fostor | 19 |
| Mary Fostor | 16 |
| Elizabeth Fostor | 12 |
| William Fostor | 12 |
| Sarah Fostor | 9 |
| George Fostor | 8 |
| Ann Fostor | 6 |
| Charles Fostor | 6 |
| Henry Fostor | 5 |
| Martha Fostor | 5 |
| Thomas Fostor | 5 |
| James Fostor | 4 |
| Jane Fostor | 4 |
| Joseph Fostor | 4 |
| Emily Fostor | 3 |
| Frederick Fostor | 3 |
| Robert Fostor | 3 |
| Annie Fostor | 2 |
| David Fostor | 2 |
| Edith Fostor | 2 |
| Eliza Fostor | 2 |
| Elizebeth Fostor | 2 |
| Ethel Fostor | 2 |
| Gertrude Fostor | 2 |
| Hannah Fostor | 2 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Foster | 83% | 275,967 |
| 2 | Faster | 67% | 3,806 |
| 3 | Foister | 71% | 1,298 |
| 4 | Fister | 67% | 803 |
| 5 | Feaster | 57% | 650 |
| 6 | Fester | 67% | 560 |
| 7 | Fostor | 100% | 219 |
| 8 | Fuster | 67% | 121 |
| 9 | Fooster | 71% | 116 |
The surname Fostor is the 7th most popular variant of Foster.