Brennan Name Origin, Meaning and Family History

Discover how your Brennan ancestors earned their living and spread across the country. Find out more about your family history by using the Free Search box.

Surname Distribution

Census frequency by county

Name Concentrations Within England and Wales

England

Bedfordshire 1
Buckinghamshire 7
Berkshire 17
Cambridgeshire 1
Channel Islands 14
Cheshire 164
Cornwall 7
Cumberland 37
Derbyshire 32
Devon 37
Dorset 23
Durham 365
Essex 126
Gloucestershire 29
Hampshire 36
Herefordshire 2
Hertfordshire 2
Huntingdonshire 0
Isle of Man 0
Kent 55
Lancashire 1,734
Leicestershire 19
Lincolnshire 14
London 494
Middlesex 54
Northumberland 199
Norfolk 6
Northamptonshire 5
Nottinghamshire 17
Oxfordshire 4
Rutland 0
Shropshire 0
Suffolk 3
Somerset 2
Surrey 39
Sussex 17
Staffordshire 143
Warwickshire 85
Westmorland 26
Wiltshire 3
Worcestershire 16
Yorkshire 536

Wales

Anglesey 0
Brecknockshire 4
Cardiganshire 0
Carnarvonshire 2
Carmarthenshire 11
Denbighshire 7
Flintshire 6
Glamorgan 111
Merionethshire 0
Montgomeryshire 0
Monmouthshire 15
Pembrokeshire 7
Radnorshire 0

Brennan Surname Statistics


Top Professions for the Brennan family

Profession Census Frequency
School 459
Coal Miner Hewer 56
Labourer 55
General Labourer 40
General Servant (domestic) 35
Dock Labourer 32
Cotton Weaver 26
At Home 22
Domestic Servant 20
At School 16
House Painter 15
Bricklayer 14
Labourer General 14
Soldier 14
Carter 14
Scholar 14
Cook (domestic) 13
Dressmaker 13
None 13
Clerk 12
Charwoman 11
Errand Boy 11
General Servant Domestic 11
House Keeper 11
Farm Labourer 11

Most Frequent Forenames for Brennan

Name Census Frequency
Mary Brennan 1,375
John Brennan 1,193
James Brennan 878
Thomas Brennan 746
William Brennan 462
Margaret Brennan 419
Michael Brennan 418
Elizabeth Brennan 406
Patrick Brennan 404
Catherine Brennan 350
Ellen Brennan 322
Annie Brennan 231
Ann Brennan 229
Edward Brennan 217
Bridget Brennan 214
Sarah Brennan 210
Jane Brennan 182
Joseph Brennan 182
Peter Brennan 146
Martin Brennan 135
George Brennan 125
Alice Brennan 122
Robert Brennan 105
Henry Brennan 96
Eliza Brennan 93

Brennan Surname Variants Ranking

Rank Surname Match Census Frequency
1 Brennan 100% 13,289
2 Brannan 86% 7,262
3 Brannon 71% 4,297
4 Brannen 71% 1,584
5 Brenan 86% 1,296
6 Brennen 86% 1,284
7 Brennon 86% 947
8 Brinnen 71% 134
9 Brinnan 86% 132
10 Brunnen 71% 109

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The surname Brennan is the most popular version of all its varients

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