| Bedfordshire | 60 |
| Buckinghamshire | 1 |
| Berkshire | 13 |
| Cambridgeshire | 26 |
| Channel Islands | 3 |
| Cheshire | 1 |
| Cornwall | 0 |
| Cumberland | 2 |
| Derbyshire | 18 |
| Devon | 3 |
| Dorset | 5 |
| Durham | 17 |
| Essex | 76 |
| Gloucestershire | 7 |
| Hampshire | 15 |
| Herefordshire | 0 |
| Hertfordshire | 17 |
| Huntingdonshire (and Rutland) | 26 |
| Isle of Man | 0 |
| Kent | 27 |
| Lancashire | 42 |
| Leicestershire | 6 |
| Lincolnshire | 12 |
| London | 313 |
| Middlesex | 50 |
| Northumberland | 10 |
| Norfolk | 154 |
| Northamptonshire | 256 |
| Nottinghamshire | 26 |
| Oxfordshire | 0 |
| Rutland (and Huntingdonshire) | 26 |
| Shropshire | 0 |
| Suffolk | 6 |
| Somerset | 17 |
| Surrey | 47 |
| Sussex | 8 |
| Staffordshire | 70 |
| Warwickshire | 41 |
| Westmorland | 1 |
| Wiltshire | 17 |
| Worcestershire | 11 |
| Yorkshire | 73 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 1 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 13 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 1 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Dress Maker | 18 |
| Scholar | 16 |
| Living On Own Means | 14 |
| General Labourer | 13 |
| Shoe Maker | 11 |
| Servant Domestic | 10 |
| Carpenter | 9 |
| General Servant Domestic | 9 |
| Farmer | 8 |
| Laundress Wash | 7 |
| Charwoman | 6 |
| Cook Domestic | 6 |
| School Teacher | 6 |
| Draper Assistant | 5 |
| Agricultural Labourer | 5 |
| Farm Labourer | 5 |
| Boot Maker | 4 |
| Commercial Clerk | 4 |
| Domestic Servant | 4 |
| Draper | 4 |
| Errand Boy | 4 |
| House Keeper Domestic | 4 |
| House Painter | 4 |
| Builder | 4 |
| Railway Clerk | 3 |
| Name | Census Frequency |
|---|---|
| William Lack | 615 |
| Mary Lack | 576 |
| John Lack | 490 |
| Elizabeth Lack | 385 |
| Thomas Lack | 361 |
| Sarah Lack | 360 |
| George Lack | 356 |
| James Lack | 277 |
| Charles Lack | 241 |
| Ann Lack | 184 |
| Henry Lack | 170 |
| Frederick Lack | 157 |
| Robert Lack | 147 |
| Eliza Lack | 145 |
| Emma Lack | 142 |
| Edward Lack | 135 |
| Jane Lack | 133 |
| Joseph Lack | 127 |
| Emily Lack | 124 |
| Ellen Lack | 122 |
| Hannah Lack | 117 |
| Arthur Lack | 116 |
| Alfred Lack | 108 |
| Alice Lack | 102 |
| Annie Lack | 100 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Lock | 75% | 62,412 |
| 2 | Luck | 75% | 21,697 |
| 3 | Locke | 60% | 17,099 |
| 4 | Lack | 100% | 9,690 |
| 5 | Leck | 75% | 1,717 |
| 6 | Lockie | 50% | 1,628 |
| 7 | Leack | 80% | 1,179 |
| 8 | Luckie | 50% | 784 |
| 9 | Leckie | 50% | 783 |
| 10 | Lackie | 67% | 463 |
| 11 | Leeck | 60% | 360 |
| 12 | Luick | 60% | 334 |
| 13 | Lucke | 60% | 262 |
| 14 | Lacke | 80% | 220 |
| 15 | Alock | 60% | 170 |
| 16 | Alack | 80% | 141 |
| 17 | Lick | 75% | 121 |
| 18 | Lacckee | 57% | 117 |
The surname Lack is the 4th most popular variant of Lock.