| Bedfordshire | 0 |
| Buckinghamshire | 13 |
| Berkshire | 1 |
| Cambridgeshire | 0 |
| Channel Islands | 11 |
| Cheshire | 10 |
| Cornwall | 2 |
| Cumberland | 6 |
| Derbyshire | 0 |
| Devon | 5 |
| Dorset | 0 |
| Durham | 6 |
| Essex | 15 |
| Gloucestershire | 1 |
| Hampshire | 73 |
| Herefordshire | 0 |
| Hertfordshire | 0 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 2 |
| Lancashire | 79 |
| Leicestershire | 1 |
| Lincolnshire | 0 |
| London | 60 |
| Middlesex | 1 |
| Northumberland | 0 |
| Norfolk | 0 |
| Northamptonshire | 6 |
| Nottinghamshire | 7 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 0 |
| Somerset | 1 |
| Surrey | 3 |
| Sussex | 1 |
| Staffordshire | 19 |
| Warwickshire | 4 |
| Westmorland | 0 |
| Wiltshire | 1 |
| Worcestershire | 5 |
| Yorkshire | 43 |
| Anglesey | 0 |
| Brecknockshire | 1 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 3 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 5 |
| Pembrokeshire | 2 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 69 |
| General Labourer | 12 |
| Coal Miner | 8 |
| Cotton Weaver | 7 |
| Domestic Servant | 6 |
| Labourer | 6 |
| Dress Maker | 4 |
| Painter | 3 |
| Draper Assistant | 3 |
| Tailor | 3 |
| Hawker | 3 |
| School Teacher | 3 |
| Printer | 3 |
| Tailoress | 3 |
| Carpenter | 2 |
| Joiner | 2 |
| Living On Own Means | 2 |
| Bricklayer | 2 |
| Cotton Spinner | 2 |
| Dock Laborer | 2 |
| General Servant Domestic | 2 |
| Collier | 2 |
| Battery Sergeant Major Royal Artillery | 1 |
| Governess | 1 |
| Farm Servant | 1 |
| Name | Census Frequency |
|---|---|
| Mary Dugan | 231 |
| John Dugan | 218 |
| William Dugan | 157 |
| Thomas Dugan | 135 |
| James Dugan | 117 |
| Sarah Dugan | 78 |
| Patrick Dugan | 74 |
| Elizabeth Dugan | 70 |
| George Dugan | 70 |
| Margaret Dugan | 67 |
| Ann Dugan | 64 |
| Michael Dugan | 60 |
| Catherine Dugan | 56 |
| Jane Dugan | 53 |
| Edward Dugan | 44 |
| Ellen Dugan | 42 |
| Henry Dugan | 35 |
| Alfred Dugan | 34 |
| Charles Dugan | 34 |
| Bridget Dugan | 33 |
| Alice Dugan | 32 |
| Julia Dugan | 32 |
| Louisa Dugan | 29 |
| Emma Dugan | 28 |
| Emily Dugan | 24 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Duggan | 83% | 14,225 |
| 2 | Dugan | 100% | 2,765 |
| 3 | Deegan | 67% | 1,466 |
| 4 | Odgen | 40% | 990 |
| 5 | Dougan | 83% | 981 |
| 6 | Doogan | 67% | 644 |
| 7 | Dogan | 80% | 401 |
| 8 | Edgan | 60% | 189 |
| 9 | Degan | 80% | 178 |
| 10 | Digan | 80% | 162 |
| 11 | Dugin | 80% | 147 |
| 12 | Degen | 60% | 106 |
| 13 | Edgen | 40% | 105 |
| 14 | Dugon | 80% | 100 |
The surname Dugan is the 2nd most popular variant of Duggan.