| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 2 |
| Cornwall | 0 |
| Cumberland | 2 |
| Derbyshire | 0 |
| Devon | 0 |
| Dorset | 0 |
| Durham | 6 |
| Essex | 4 |
| Gloucestershire | 0 |
| Hampshire | 2 |
| Herefordshire | 0 |
| Hertfordshire | 0 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 1 |
| Lancashire | 42 |
| Leicestershire | 0 |
| Lincolnshire | 0 |
| London | 37 |
| Middlesex | 6 |
| Northumberland | 6 |
| Norfolk | 0 |
| Northamptonshire | 0 |
| Nottinghamshire | 1 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 2 |
| Suffolk | 0 |
| Somerset | 1 |
| Surrey | 2 |
| Sussex | 1 |
| Staffordshire | 0 |
| Warwickshire | 0 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 1 |
| Yorkshire | 21 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 1 |
| Denbighshire | 1 |
| Flintshire | 0 |
| Glamorgan | 3 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 4 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| School | 14 |
| Labourer | 5 |
| Assisting In The Business | 3 |
| Assistant Teacher | 3 |
| Shorthand Typist | 2 |
| Housekeeper | 2 |
| Bricklayers Labourer | 2 |
| General Labourer | 2 |
| Head (master) Teacher | 1 |
| Butcher | 1 |
| Dressmaker Assistant | 1 |
| Engineer's Turner | 1 |
| Foster Mother | 1 |
| Grocer Assistant | 1 |
| Head Teacher | 1 |
| Labourer General | 1 |
| Mason | 1 |
| Cook (domestic) | 1 |
| House Maid (domestic) | 1 |
| Clerk & Draughtsman Staff General | 1 |
| General Servant | 1 |
| Dock Labourer | 1 |
| Industrial Training In Domestic Work | 1 |
| Labourer General Sugar Works | 1 |
| Sisters Of Nazareth | 1 |
| Name | Census Frequency |
|---|---|
| Mary Mullan | 117 |
| John Mullan | 98 |
| Thomas Mullan | 67 |
| William Mullan | 63 |
| James Mullan | 62 |
| Margaret Mullan | 47 |
| Elizabeth Mullan | 44 |
| Ann Mullan | 41 |
| Catherine Mullan | 37 |
| Patrick Mullan | 34 |
| Sarah Mullan | 33 |
| Daniel Mullan | 22 |
| Edward Mullan | 20 |
| Jane Mullan | 20 |
| Robert Mullan | 20 |
| Ellen Mullan | 19 |
| George Mullan | 19 |
| Henry Mullan | 18 |
| Bridget Mullan | 14 |
| Joseph Mullan | 14 |
| Michael Mullan | 14 |
| Peter Mullan | 12 |
| Annie Mullan | 11 |
| Kate Mullan | 11 |
| Richard Mullan | 11 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Mullen | 83% | 11,823 |
| 2 | Millen | 67% | 8,763 |
| 3 | Mullin | 83% | 6,793 |
| 4 | Mellon | 67% | 4,325 |
| 5 | Mallen | 67% | 3,662 |
| 6 | Mallin | 67% | 2,829 |
| 7 | Millin | 67% | 2,566 |
| 8 | Millan | 83% | 2,341 |
| 9 | Mallon | 67% | 2,296 |
| 10 | Mullan | 100% | 1,209 |
| 11 | Mallion | 57% | 1,019 |
| 12 | Millon | 67% | 1,012 |
| 13 | Mellin | 67% | 973 |
| 14 | Million | 57% | 759 |
| 15 | Mullon | 83% | 521 |
| 16 | Moullin | 71% | 453 |
| 17 | Mallan | 83% | 451 |
| 18 | Mellen | 67% | 451 |
| 19 | Mullane | 86% | 410 |
| 20 | Mellan | 83% | 297 |
| 21 | Mollon | 67% | 294 |
| 22 | Millian | 71% | 284 |
| 23 | Maullin | 71% | 264 |
| 24 | Mollan | 83% | 185 |
| 25 | Millne | 50% | 156 |
| 26 | Mollen | 67% | 124 |
The surname Mullan is the 10th most popular variant of Mullen.