| Bedfordshire | 10 |
| Buckinghamshire | 0 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 2 |
| Cheshire | 7 |
| Cornwall | 3 |
| Cumberland | 5 |
| Derbyshire | 2 |
| Devon | 5 |
| Dorset | 1 |
| Durham | 21 |
| Essex | 9 |
| Gloucestershire | 0 |
| Hampshire | 0 |
| Herefordshire | 0 |
| Hertfordshire | 1 |
| Huntingdonshire | 0 |
| Isle of Man | 101 |
| Kent | 0 |
| Lancashire | 53 |
| Leicestershire | 2 |
| Lincolnshire | 5 |
| London | 42 |
| Middlesex | 2 |
| Northumberland | 4 |
| Norfolk | 3 |
| Northamptonshire | 0 |
| Nottinghamshire | 1 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 1 |
| Suffolk | 0 |
| Somerset | 0 |
| Surrey | 1 |
| Sussex | 2 |
| Staffordshire | 9 |
| Warwickshire | 1 |
| Westmorland | 0 |
| Wiltshire | 5 |
| Worcestershire | 0 |
| Yorkshire | 13 |
| Anglesey | 0 |
| Brecknockshire | 7 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 2 |
| Glamorgan | 3 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 0 |
| Pembrokeshire | 2 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 30 |
| Servant | 10 |
| House Servant | 9 |
| At Home | 8 |
| Agricultural Labourer | 5 |
| Emigrant | 5 |
| General Servant | 5 |
| Joiner | 5 |
| Tailor | 5 |
| Farm Labourer | 4 |
| Pedlar | 4 |
| Labourer | 4 |
| Shoe Maker | 4 |
| Annuitant | 3 |
| Gatherer | 3 |
| Blacksmith | 2 |
| Shoemaker | 2 |
| Dealor In Raggs | 2 |
| Carter | 2 |
| Laundress | 2 |
| Stone Mason | 2 |
| Card Room Hand Cotton | 2 |
| Printer's Apprentice | 2 |
| Nurse | 2 |
| Painter | 2 |
| Name | Census Frequency |
|---|---|
| John Killy | 288 |
| Mary Killy | 277 |
| Thomas Killy | 191 |
| William Killy | 184 |
| James Killy | 182 |
| Elizabeth Killy | 134 |
| Margaret Killy | 124 |
| Ann Killy | 88 |
| Catherine Killy | 81 |
| Ellen Killy | 77 |
| Sarah Killy | 77 |
| Patrick Killy | 73 |
| Jane Killy | 70 |
| George Killy | 62 |
| Joseph Killy | 61 |
| Robert Killy | 58 |
| Michael Killy | 50 |
| Henry Killy | 47 |
| Eliza Killy | 44 |
| Edward Killy | 43 |
| Annie Killy | 37 |
| Richard Killy | 36 |
| Charles Killy | 35 |
| Alice Killy | 33 |
| Emma Killy | 33 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Kelly | 80% | 154,525 |
| 2 | Kelley | 67% | 25,023 |
| 3 | Killey | 83% | 3,726 |
| 4 | Killy | 100% | 3,601 |
| 5 | Keiley | 67% | 400 |
| 6 | Kally | 80% | 288 |
| 7 | Keilly | 83% | 216 |
| 8 | Kighley | 57% | 212 |
| 9 | Kalley | 67% | 141 |
| 10 | Okelly | 67% | 113 |
The surname Killy is the 4th most popular variant of Kelly.