| Bedfordshire | 0 |
| Buckinghamshire | 13 |
| Berkshire | 5 |
| 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 | 1 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 0 |
| Lancashire | 12 |
| Leicestershire | 0 |
| Lincolnshire | 0 |
| London | 23 |
| Middlesex | 1 |
| Northumberland | 0 |
| Norfolk | 0 |
| Northamptonshire | 7 |
| Nottinghamshire | 0 |
| Oxfordshire | 13 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 0 |
| Somerset | 0 |
| Surrey | 1 |
| Sussex | 2 |
| Staffordshire | 0 |
| Warwickshire | 9 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 0 |
| Yorkshire | 3 |
| 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 |
|---|---|
| Farm Labourer | 4 |
| Dressmaker | 3 |
| School | 3 |
| House Maid (domestic) | 2 |
| House Painter | 2 |
| Butchers Assistant | 1 |
| Railway Platelayer | 1 |
| Retired Gardener | 1 |
| Bottler | 1 |
| Cutter Undertaker | 1 |
| Machinist Pinafores | 1 |
| Painter | 1 |
| Shorthand Appist | 1 |
| West London District School | 1 |
| Boot & Shoe Merchant Operative | 1 |
| Railway Porter | 1 |
| Retired Brewers Dragman | 1 |
| Stationary Engineman | 1 |
| Brass Founders Toolmaker | 1 |
| Motor Smith | 1 |
| Stamper | 1 |
| Stamper & Ceeicer | 1 |
| Typist | 1 |
| Warehouse Woman | 1 |
| Soldier | 1 |
| Name | Census Frequency |
|---|---|
| George Blaby | 39 |
| Elizabeth Blaby | 32 |
| John Blaby | 31 |
| Henry Blaby | 30 |
| William Blaby | 30 |
| Mary Blaby | 25 |
| Sarah Blaby | 18 |
| Joseph Blaby | 17 |
| Ann Blaby | 16 |
| Edward Blaby | 14 |
| Edith Blaby | 12 |
| Thomas Blaby | 10 |
| Alice Blaby | 9 |
| Jane Blaby | 9 |
| Maria Blaby | 9 |
| Luke Blaby | 8 |
| Richard Blaby | 8 |
| Annie Blaby | 7 |
| Charles Blaby | 6 |
| Lucy Blaby | 6 |
| Selina Blaby | 6 |
| Charlotte Blaby | 5 |
| Eliza Blaby | 5 |
| Fanny Blaby | 5 |
| Martha Blaby | 5 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Bielby | 50% | 3,539 |
| 2 | Bilby | 60% | 2,282 |
| 3 | Beilby | 50% | 1,892 |
| 4 | Bealby | 67% | 1,006 |
| 5 | Boulby | 50% | 557 |
| 6 | Blaby | 100% | 516 |
| 7 | Bilbey | 50% | 393 |
| 8 | Bulby | 60% | 284 |
| 9 | Belby | 60% | 224 |
| 10 | Balby | 60% | 220 |
| 11 | Blabey | 83% | 177 |
| 12 | Bleby | 80% | 171 |
| 13 | Bailby | 50% | 125 |
The surname Blaby is the 6th most popular variant of Bielby.