| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 8 |
| Cornwall | 0 |
| Cumberland | 5 |
| Derbyshire | 0 |
| Devon | 1 |
| Dorset | 0 |
| Durham | 10 |
| Essex | 0 |
| Gloucestershire | 0 |
| Hampshire | 5 |
| Herefordshire | 0 |
| Hertfordshire | 1 |
| Huntingdonshire | 0 |
| Isle of Man | 2 |
| Kent | 0 |
| Lancashire | 46 |
| Leicestershire | 0 |
| Lincolnshire | 0 |
| London | 9 |
| Middlesex | 0 |
| Northumberland | 10 |
| Norfolk | 0 |
| Northamptonshire | 0 |
| Nottinghamshire | 0 |
| Oxfordshire | 1 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 0 |
| Somerset | 0 |
| Surrey | 0 |
| Sussex | 0 |
| Staffordshire | 0 |
| Warwickshire | 0 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 0 |
| Yorkshire | 1 |
| 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 |
|---|---|
| School | 7 |
| None | 2 |
| General Labourer | 2 |
| Joiner (house) | 2 |
| Coal Miner Hewer | 2 |
| Asst Secretary | 1 |
| Boy Clerk | 1 |
| Kitchenmaid Domestic | 1 |
| Millinery Showroom | 1 |
| Nurse | 1 |
| Upholsterers Tring Maker | 1 |
| Assisting Husband | 1 |
| Book Folder & Sewer | 1 |
| Box Maker | 1 |
| Caretaker | 1 |
| Clerk | 1 |
| Cotton Winder | 1 |
| Factory Operative | 1 |
| General Servant Domestic | 1 |
| House Maid | 1 |
| House Painter | 1 |
| Blacksmith Shipyard | 1 |
| Bricklayer | 1 |
| Domestic Servant (housemaid) | 1 |
| Fitter & Turner | 1 |
| Name | Census Frequency |
|---|---|
| Mary Mcmillen | 19 |
| John Mcmillen | 15 |
| William Mcmillen | 12 |
| Margaret Mcmillen | 11 |
| James Mcmillen | 10 |
| George Mcmillen | 9 |
| Elizabeth Mcmillen | 7 |
| Jane Mcmillen | 7 |
| Ellen Mcmillen | 6 |
| Agnes Mcmillen | 5 |
| Joseph Mcmillen | 5 |
| Robert Mcmillen | 5 |
| Sarah Mcmillen | 5 |
| Thomas Mcmillen | 5 |
| Annie Mcmillen | 4 |
| Emma Mcmillen | 4 |
| Albert Mcmillen | 3 |
| Alexander Mcmillen | 3 |
| Andrew Mcmillen | 3 |
| Arthur Mcmillen | 3 |
| Catherine Mcmillen | 3 |
| Charles Mcmillen | 3 |
| Daniel Mcmillen | 3 |
| Eliza Mcmillen | 3 |
| Maggie Mcmillen | 2 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Mcmillan | 88% | 3,764 |
| 2 | Mcmullen | 88% | 1,516 |
| 3 | Macmillan | 78% | 1,370 |
| 4 | Mcmullin | 75% | 412 |
| 5 | Mcmullan | 75% | 387 |
| 6 | Mcmillian | 78% | 310 |
| 7 | Mcmillen | 100% | 239 |
| 8 | Macmullen | 78% | 201 |
| 9 | Mcmellon | 75% | 143 |
| 10 | Mcmillin | 88% | 135 |
| 11 | Mcmillon | 88% | 101 |
The surname Mcmillen is the 7th most popular variant of Mcmillan.