NameCensus.

UK surname

Blay

A French surname derived from the word "blaye" meaning a stream or brook.

In the 1881 census there were 520 people recorded with the Blay surname, ranking it #6,564 among surnames in the records. By 2016, the modern count was 820, ranked #6,767, down from #6,564 in 1881.

The strongest historical links point to Egham, London parishes and Upton with Chalvey. In the modern distribution records, the strongest local clusters include Salford, Kirklees and Runnymede.

Across the surname records, the highest recorded count for Blay is 884 in 2002. Compared with 1881, the name has grown by 57.7%.

1881 census count

520

Ranked #6,564

Modern count

820

2016, ranked #6,767

Peak year

2002

884 bearers

Map years

9

1851 to 2016

Key insights

  • Blay had 520 recorded bearers in 1881, making it the #6,564 surname in that year.
  • The latest modern count shown here is 820 in 2016, ranked #6,767.
  • Within the historical census years, the highest count was 729 in 1911.
  • The contemporary neighbourhood profile most associated with the surname is Challenged Communities.

Blay surname distribution map

The map shows where the Blay surname is concentrated in each census or modern distribution year. Darker areas mean a stronger local concentration.

Distribution map

Blay surname density by area, 1881 census.

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Lower densityMedium densityHigh density

Timeline

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Blay over time

The table below tracks recorded surname counts and rank from the 19th-century census years through the modern adult-register period.

Year Period Count Rank
1851 historical 331 #7,044
1861 historical 390 #6,567
1881 historical 520 #6,564
1891 historical 615 #6,260
1901 historical 719 #6,142
1911 historical 729 #5,874
1997 modern 807 #6,497
1998 modern 844 #6,474
1999 modern 873 #6,359
2000 modern 856 #6,419
2001 modern 842 #6,387
2002 modern 884 #6,264
2003 modern 864 #6,266
2004 modern 855 #6,321
2005 modern 832 #6,406
2006 modern 835 #6,394
2007 modern 827 #6,511
2008 modern 814 #6,647
2009 modern 839 #6,639
2010 modern 846 #6,719
2011 modern 809 #6,865
2012 modern 811 #6,762
2013 modern 852 #6,618
2014 modern 842 #6,706
2015 modern 829 #6,722
2016 modern 820 #6,767

Geography

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Where Blays are most common

Historical parish links are strongest around Egham, London parishes, Upton with Chalvey and Cowley, Iffley (Nuneham Courtney, Berkshire, including Littlemoor Liberty), St Clement. These are the places where the surname stands out most clearly in the older records.

The modern local-area list points to Salford, Kirklees, Runnymede and Basingstoke and Deane. Treat these as concentration signals, not proof that every family line began there.

Some modern areas include a three-digit suffix, such as Leeds 110. The suffix is a small-area code, so it stays in the table while the prose uses the plain place name.

Top historical parishes

Rank Parish Area
1 Egham Berkshire
2 London parishes London 1
3 Upton with Chalvey Buckinghamshire
4 London parishes London 3
5 Cowley, Iffley (Nuneham Courtney, Berkshire, including Littlemoor Liberty), St Clement Oxfordshire

Top modern areas

Rank Area District
1 Salford 030 Salford
2 Kirklees 018 Kirklees
3 Salford 029 Salford
4 Runnymede 003 Runnymede
5 Basingstoke and Deane 001 Basingstoke and Deane

Forenames

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First names often paired with Blay

These lists show first names that appear often with the Blay surname in historical and recent records.

Modern profile

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Neighbourhood profile for Blay

Modern surname records can be compared with neighbourhood classifications. For Blay, this points to the kinds of places where the surname is most concentrated today.

These neighbourhood labels describe areas, not individual people. They are useful because surnames often cluster through family history, migration, housing patterns and local work. A surname can be strongest in one type of neighbourhood even when people with that name live across the country.

The UK classification gives the national picture. The London classification is more specific to the capital, where housing, age profile, tenure and population mix can look quite different from the rest of the UK.

UK neighbourhood type

UK Output Area Classification

Supergroup

Baseline UK

Group

Challenged Communities

Nationally, the Blay surname is most associated with neighbourhoods classed as Challenged Communities, within Baseline UK. This does not mean every Blay household fits that profile, but it gives a useful signal about where the modern surname distribution is strongest.

Read profile summary

Group profile

Residents of these neighbourhoods typically live in households with dependent children, and there are fewer-than-average residents of normal retirement age or over. Identification with ethnic minorities, particularly Black, or Mixed or Multiple ethnicities is common. The rate of Christian religious affiliation is low. Housing predominantly consists of semi-detached houses, along with a significant number of terraced properties and flats. Overcrowded social housing is common, and private renting occurs at average UK levels. Those in employment work mainly in caring leisure and other services; process, plant and machine operation; or elementary occupations. Unemployment is high, and few individuals have degree level qualifications. Many of these neighbourhoods occur in commuter towns or less accessible areas of larger towns and cities.

Wider pattern

This Supergroup exemplifies the broad base to the UK’s social structure, encompassing as it does the average or modal levels of many neighbourhood characteristics, including all housing tenures, a range of levels of educational attainment and religious affiliations, and a variety of pre-retirement age structures. Yet, in combination, these mixes are each distinctive of the parts of the UK. Overall, terraced houses and flats are the most prevalent, as is employment in intermediate or low-skilled occupations. However, this Supergroup is also characterised by above average levels of unemployment and lower levels of use of English as the main language. Many neighbourhoods occur in south London and the UK’s other major urban centres.

London neighbourhood type

London Output Area Classification

Supergroup

Social Rented Sector Families with Children

Group

Social Rented Sector Pockets

Within London, Blay is most associated with areas classed as Social Rented Sector Pockets, part of Social Rented Sector Families with Children. This gives the surname a London-specific profile rather than forcing the capital into the same pattern as the rest of the country.

Read profile summary

Group profile

Found in pockets across London, residents are less likely to live in private sector rentals and fewer adults are students. Fewer individuals work in transport and communications occupations relative to the Supergroup average. More individuals identify as Black and were born in Africa.

Wider London pattern

Residents of these neighbourhoods include sizable numbers identifying with ethnicities originating outside Europe, particularly in Africa or Bangladesh. The proportion of residents identifying as White, Indian or Pakistani is well below the London average. Neighbourhood age profiles are skewed towards younger adults, and above average numbers of families have children. Rates of use of English at home are below average. Marriage rates are low, and levels of separation or divorce are above average. Housing is predominantly in flats, and renting in the social rented sector the norm - few residents are owner occupiers. Housing is often overcrowded, and neighbourhoods are amongst the most densely populated in London. Disability rates are above average, although levels of unpaid care provision are about average. Employment is in caring, leisure, other service occupations, sales and customer service, or process, plant, and machine operation. Part time working and full-time student study are common. Levels of unemployment are slightly above average. Most residents have only Level 1 or 2 educational qualifications or have completed apprenticeships.

Healthy neighbourhoods

Access to healthy assets and hazards

Blay is most concentrated in decile 9 for access to healthy assets and hazards. This places the surname towards the healthier end of the index.

Lower deciles point towards weaker access to healthy assets or stronger exposure to local hazards. Higher deciles point towards stronger access and fewer hazards.

9
Lower access Higher access

Neighbourhood deprivation

Index of Multiple Deprivation

Blay falls in decile 3 for neighbourhood deprivation. This puts the surname towards the more deprived end of the index.

Decile 1 represents the more deprived end of the scale. Decile 10 represents the less deprived end.

3
More deprived Less deprived

Broadband speed

Fixed broadband download speed

The modern neighbourhood pattern for Blay is most associated with a typical fixed broadband download band of 50-60 mbit/s.

The scale below places that band in context, from slower local download bands through to faster ones.

8
Slower band Faster band

Area snapshot

Ethnic group estimate

Most common ethnic group estimate
White - British

This describes the area pattern most associated with Blay, not the ethnicity of every person with the surname.

Meaning and origin of Blay

The surname BLAY has its origins in England, with the earliest records dating back to the 13th century. It is derived from the Old English word "blæc," which means "pale" or "white." This suggests that the name may have been initially given as a descriptive nickname to someone with a pale or fair complexion.

The name BLAY was particularly prevalent in the counties of Hertfordshire and Bedfordshire, where it is believed to have originated. One of the earliest recorded instances of the name can be found in the Hundredorum Rolls of 1273, which list a John le Blay residing in Hertfordshire.

In the 14th century, the Lay Subsidy Rolls of 1327 mention a Thomas Blay living in Bedfordshire. This record provides evidence of the name's transition from the older "le Blay" spelling to the more modern "Blay" form.

The BLAY surname has also been linked to various place names, such as Blay's Grove in Hertfordshire and Blay's Farm in Bedfordshire. These locations may have been named after early BLAY families who settled or owned land in those areas.

Notable individuals with the surname BLAY include:

1. John Blay (c. 1545 - 1594), an English clergyman and author who wrote treatises on theology and philosophy. 2. William Blay (1675 - 1732), a British architect known for designing several churches and country houses in the Baroque style. 3. Elizabeth Blay (1789 - 1867), a British philanthropist and social reformer who advocated for the education of women and the abolition of slavery. 4. Thomas Blay (1818 - 1893), an English explorer and naturalist who documented the flora and fauna of various regions in Africa and Asia. 5. Charlotte Blay (1901 - 1978), an American artist and painter known for her vibrant landscapes and still life works.

While the BLAY surname has variations in spelling, such as Blaye, Blai, and Blaie, the core meaning and origin remain rooted in the Old English descriptor of pale or fair complexion.

Sourced from namecensus.com.

1881 census detail

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Blay families in the 1881 census

These tables use 1881 census entries for people recorded with the Blay surname. Use the location tables for concentration, then the name and occupation tables for the people behind the surname.

Top counties

Total is the county count. Frequency and index adjust for local population size, so they are better concentration signals. Middlesex leads with 153 Blays recorded in 1881 and an index of 3.00x.

County Total Index
Middlesex 153 3.00x
Berkshire 96 25.12x
Surrey 92 3.71x
Buckinghamshire 31 10.07x
Oxfordshire 28 8.90x
Yorkshire 21 0.42x
Lincolnshire 18 2.21x
Warwickshire 14 1.09x
Hampshire 13 1.25x
Kent 13 0.75x
Worcestershire 9 1.35x
Lancashire 7 0.12x
Sussex 6 0.70x
Derbyshire 5 0.63x
Brecknockshire 4 3.93x
Gloucestershire 3 0.30x
Hertfordshire 3 0.85x
Channel Islands 2 1.33x
Denbighshire 1 0.52x
Perthshire 1 0.44x
Somerset 1 0.12x
Staffordshire 1 0.06x

Top districts and towns

Districts give a more local view than counties. Total shows raw records, while frequency and index show local concentration. Egham in Surrey leads with 26 Blays recorded in 1881 and an index of 170.72x.

Place Total Index
Egham 26 170.72x
Bray 25 222.62x
Chelsea London 20 13.03x
Upton Cum Chalvey 19 154.85x
Islington London 18 3.65x
Newington 15 7.97x
Pinchbeck 13 249.04x
Shoreditch London 13 5.89x
Twickenham 12 54.97x
White Waltham 12 839.16x
Cookham 11 92.28x
Cowley 10 101.94x
Hornsey 10 15.53x
Old Windsor 10 226.24x
Warley 10 68.59x
Reading St Giles 9 24.00x
Easthampstead 8 390.24x
Paddington London 8 4.27x
Rotherhithe 8 12.72x
Uxbridge 8 137.46x
Clerkenwell London 7 5.82x
Coventry St Michael 7 16.97x
Hackney London 7 2.45x
Kings Norton 7 11.74x
Richmond 7 20.13x
Winkfield 7 110.41x
Wraysbury 7 608.70x
Ardwick 6 11.01x
Croydon 6 4.36x
Iffley 6 226.42x
Kingston On Thames 6 10.07x
New Windsor 6 545.45x
St Dunstan In East London 6 1538.46x
St Mary Extra 6 71.43x
Staines 6 74.44x
Derby St Werburgh 5 10.86x
Sowerby In Halifax 5 30.30x
St Pancras London 5 1.22x
Stoke 5 42.70x
Westminster St John 5 8.06x
Abingdon St Nicholas 4 377.36x
Acton 4 13.40x
Aston 4 1.13x
Bradwell 4 92.38x
Hampstead London 4 5.04x
Llangattock 4 48.25x
Manningham 4 6.44x
New Windsor 4 31.13x
Oxford St Thomas 4 27.27x
Pulborough 4 126.98x
St Marylebone London 4 1.47x
Aldershot 3 8.58x
Birmingham 3 0.70x
Harlington 3 111.94x
Mile End Old Town London 3 2.77x
Oxford St Clement 3 37.78x
Reading St Mary 3 9.80x
Wandsworth 3 6.12x
Watford 3 11.03x
Battersea 2 1.07x
Bermondsey 2 1.32x
Charlton 2 17.33x
Cheltenham 2 2.60x
Ealing 2 4.39x
Eltham 2 19.65x
Erith 2 11.68x
Milton In Gravesend 2 7.68x
Oxford St Giles 2 13.33x
South Hinksey 2 119.76x
St Clement Danes London 2 18.98x
St Lawrence 2 48.54x
Stickney 2 165.29x
Chilworth 1 250.00x
Deeping St Nicholas 1 42.02x
Hughenden 1 31.85x
Lee 1 3.97x
Mitcham 1 6.38x
Norwood 1 8.59x
Walton On Thames 1 8.78x
Wimbledon 1 3.59x

Top female names

These are the female first names most often recorded with the Blay surname in 1881. Names are not merged, so initials, variant spellings and transcription quirks can appear as separate rows.

Name Count
Mary 28
Sarah 25
Elizabeth 23
Alice 15
Emma 12
Annie 10
Eliza 8
Ann 7
Harriet 7
Jane 7
Caroline 6
Hannah 6
Susan 6
Edith 5
Ellen 5
Emily 5
Louisa 5
Florence 4
Lucy 4
Martha 4
Ada 3
Amelia 3
Harriett 3
Maria 3
Minnie 3
Rose 3
Sophia 3
Anne 2
Elizth. 2
Fanny 2
Flora 2
Frances 2
Francis 2
Gertrude 2
Juliet 2
Lizzie 2
Lydia 2
Rosa 2
Bertha 1
Celinaz 1
Charlotte 1
Daisy 1
Georgina 1
Kate 1
Laura 1
Lillian 1
Lily 1
Margaret 1
Margt. 1
Tamara 1

Top male names

These are the male first names most often recorded with the Blay surname in 1881. Names are not merged, so initials, variant spellings and transcription quirks can appear as separate rows.

Name Count
William 30
James 25
George 24
Thomas 24
John 22
Henry 13
Arthur 12
Richard 12
Charles 9
Alfred 6
Frederick 6
Fredk. 4
Joseph 4
Albert 3
Alexander 3
Daniel 3
David 3
Edward 3
Francis 3
Geo. 3
Stephen 3
Adam 2
Edwin 2
Frank 2
Mark 2
Walter 2
Wm. 2
Arther 1
Chas. 1
Chas.F.G. 1
Cornelius 1
Ely 1
Esau 1
Fredric 1
Fredrick 1
Geo.Hy. 1
Gilbert 1
Harcourt 1
Harriett 1
Hugh 1
Infant 1
Issax 1
J. 1
Louis 1
Nathaniel 1
Robert 1
Thos. 1
Thos.S. 1
W. 1
Wm.E. 1

FAQ

Blay surname: questions and answers

How common was the Blay surname in 1881?

In 1881, 520 people were recorded with the Blay surname. That placed it at #6,564 in the surname rankings for that year.

How common is the Blay surname today?

The latest modern count shown here is 820 in 2016. That gives Blay a modern rank of #6,767.

What does the Blay surname mean?

A French surname derived from the word "blaye" meaning a stream or brook.

What does the Blay map show?

The map shows local surname concentration for the selected year. Darker areas have a stronger concentration of Blay bearers relative to the surrounding population.

What records is this surname page based on?

The historical counts come from census surname records. The modern counts and neighbourhood summaries come from later surname distribution records. Counts are recorded bearers in those records, not a live estimate of everyone with the name today.