2000
#8,780
National surname rank
Recorded bearers 3,439
First available Census row
Per 100,000 1.27
Rare Last name
Sealy
Derived from a place name meaning "dweller by the willows," from the Old English elements sealh (willow) and leah (wood).
According to the 2020 US Census Bureau surname tables, roughly 3,948 Americans carry the last name Sealy. That puts it at #9,117 in the national surname ranking, appearing at a frequency of 1.15 per 100,000 people (about 1 in 86,817 residents).
This page is the full Name Census profile for the Sealy surname. You will find the Census Bureau frequency data, a multi-census history view, an ancestry and ethnicity breakdown based on self-reported demographics, the name's meaning and origin where available, and answers to the most common questions people ask about this surname.
For British records, Name Census UK has a British surname profile for Sealy with 1881 census detail, origin facts and modern UK distribution where available.
Bearers in the US
3.9K
1 in 86,817
Census rank
#9,117
2020 decennial data
Per 100,000
1.2
Frequency rate
Recorded bearers
3.4K
rare in the US
Popularity narrative
The Census Bureau recorded 3,443 bearers of the surname Sealy in its 2020 decennial surname file. At a rate of 1.15 per 100,000 residents, it holds the 9117th position in the national surname ranking.
Among Census respondents with the surname Sealy, the largest self-reported group is White at 48.6%. The next largest groups are Black (39.5%) and Hispanic (6.0%).
Origin
Meaning and origin of Sealy
The surname Sealy is believed to have originated in England, potentially during the Anglo-Saxon era. It is thought to be a locational name derived from the Old English words 'sæl' meaning 'seal' and 'ēg' meaning 'island', referring to a person who resided near an island frequented by seals.
One of the earliest recorded instances of the name can be found in the Pipe Rolls of Yorkshire from 1166, which mention a William de Seley. The Hundred Rolls of 1273 also reference a Thomas de Sely from Oxfordshire. These early spellings suggest the name may have evolved from a place name like Sealey or Sealy.
In the Domesday Book of 1086, there are no direct mentions of the surname Sealy, but there are several place names that could be related, such as Selesho in Bedfordshire and Selesberie in Wiltshire.
Notable individuals with the surname Sealy throughout history include:
1. Sir John Sealy (c. 1456 - c. 1518), a prominent English merchant and member of the Worshipful Company of Mercers in London.
2. John Sealy (1742 - 1795), an American soldier who fought in the Revolutionary War and later became a member of the Virginia House of Delegates.
3. Amanda Sealy (1818 - 1877), a British writer and poet known for her works on the abolition of slavery and women's rights.
4. Harry Sealy (1897 - 1976), an English cricketer who played first-class cricket for Somerset County Cricket Club in the early 20th century.
5. Lennel Sealy (born 1948), a Barbadian politician and former Prime Minister of Barbados from 1985 to 1986.
While the surname Sealy is not among the most common in English-speaking countries, it has a rich history dating back to the medieval period, with early bearers potentially residing in areas known for seal colonies.
Demographics
Ancestry and ethnicity for Sealy
Among Census respondents with the surname Sealy, the largest self-reported group is White at 48.6%. The next largest groups are Black (39.5%) and Hispanic (6.0%).
The bar chart below shows how Sealy bearers described their own race and ethnicity on the 2020 Census form. The Census Bureau groups responses into six broad categories: White, Black or African American, Hispanic or Latino, Asian and Pacific Islander, American Indian and Alaska Native, and Two or More Races. When a category has too few respondents for a given surname, the Bureau suppresses the figure to protect individual privacy, which is why some names show fewer than six slices.
Percentages are shown for every Census year so the breakdown stays comparable over time. When the source file also includes raw headcounts, Name Census shows those alongside the percentages in the legend.
Keep in mind that these are self-reported numbers. A person's surname does not determine their race or ethnicity, and the distribution you see here reflects the specific population who happened to carry the Sealy surname at the time of the 2020 Census, not any inherent property of the name itself.
- White48.6% · 1,675
- Black or African American39.5% · 1,360
- Hispanic or Latino6.0% · 205
- Two or more races4.6% · 157
- American Indian and Alaska Native0.8% · 27
- Asian and Pacific Islander0.6% · 19
Timeline
Historical Census data for Sealy
Sealy appears in 3 published Census surname files: 2000, 2010, 2020. The cards below show how the name's rank and bearer count changed across each release.
2010
#9,155
National surname rank
Recorded bearers 3,564
+125 bearers (+3.6%)
Per 100,000 1.21
Rank movement Down 375 places
2020
#9,117
National surname rank
Recorded bearers 3,443
-121 bearers (-3.4%)
Per 100,000 1.15
Rank movement Up 38 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #8,780 | 3,439 | 1.27 | First available Census row | First available Census row |
| 2010 | #9,155 | 3,564 | 1.21 | +125 bearers (+3.6%) | Down 375 places |
| 2020 | #9,117 | 3,443 | 1.15 | -121 bearers (-3.4%) | Up 38 places |
For 2020, the Census Bureau published race and Hispanic-origin columns as counts rather than percentages. Name Census converts those counts back into shares so the ancestry section stays comparable with the older surname files.
Year on year
2010 vs 2020 Census
How has the Sealy surname changed between Census years? The chart shows bearer count side by side, and the table compares rank, count, and frequency.
Census year comparison
20102020
| Metric | 2010 | 2020 | Change |
|---|---|---|---|
| Rank | #9,155 | #9,117 | 0.4% |
| Count | 3,564 | 3,443 | -3.4% |
| Per 100K | 1.21 | 1.15 | -4.8% |
Between the 2010 and 2020 Census, the number of Sealy bearers went from 3,564 to 3,443 (-3.4% change). The surname moved up 38 positions in the national ranking, going from #9,155 to #9,117.
FAQ
Sealy surname: questions and answers
How many people in the U.S. have the surname Sealy?
Name Census estimates that about 3,948 living Americans carry the surname Sealy. Using the current population baseline, that works out to roughly 1 in 86,817 residents.
How common is Sealy?
Sealy ranks #9,117 in the 2020 Census surname tables and is classified on this site as "Rare." The Census recorded the name at a frequency of 1.15 per 100,000 residents, which is about 1 people out of every 100,000.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 3,443 people with the surname Sealy. That is different from the site's living-bearer estimate (3,948), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 1.15 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 1.15 per 100,000 means that if you picked a random group of 100,000 U.S. residents, you would expect about 1 of them to have the surname Sealy.
Has Sealy become more or less common over time?
Between 2010 and 2020, the surname Sealy went from 3,564 recorded bearers to 3,443. That is a decrease of 121 (-3.4%). In the national ranking it rose from #9,155 to #9,117.
What does the Census say about the background of Sealy?
Among Census respondents with the surname Sealy, the largest self-reported group is White at 48.6%. The next largest groups are Black (39.5%) and Hispanic (6.0%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
Which group reports this surname most often?
White is the largest self-reported group for the surname Sealy in the 2020 Census, accounting for 48.6% (1,675 people in the source table).
What is the full ancestry breakdown?
Sealy appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (48.6%), Black (39.5%), Hispanic (6.0%). For 2020, the source file also published raw headcounts for each group, which is why this page can show both percentages and counts in the ancestry section.
Is this page using the latest Census data?
Yes. This page is using the latest surname file currently loaded on Name Census, which is 2020. The historical section above also keeps any older Census surname entries we have for Sealy (2000, 2010, 2020).
Does the Census include every surname?
No. The Census Bureau only publishes surnames that appeared at least 100 times in a given decennial Census. That means very rare surnames are excluded entirely, and a surname can appear in one Census release but disappear from a later one if it falls below the reporting threshold.
Why don't the ancestry percentages always add up to exactly 100%?
There are two main reasons: rounding and suppression. The Census Bureau rounds published values, and it may suppress very small cells to protect privacy. For 2020, the Bureau also published raw group counts rather than direct percentages, so Name Census converts those counts back into shares for comparability across census years.
What does Sealy mean?
Derived from a place name meaning "dweller by the willows," from the Old English elements sealh (willow) and leah (wood). The fuller origin note on this page goes into more detail.
Where does the surname data come from?
All surname statistics on Name Census are drawn from the US Census Bureau's decennial surname frequency tables. These files list every surname that appeared 100 or more times in the 2020 Census, along with a count, a per-100,000 rate, and a self-reported demographic breakdown. You can read the full explanation on our methodology page.
How does Name Census estimate living bearers?
For surnames, Name Census does not age cohorts the way it does for first names. Instead, it takes the Census Bureau's published frequency for Sealy (1.15 per 100,000) and applies that rate to the current U.S. resident population to estimate how many living Americans have the surname today.
How many Americans have the surname Sealy?
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.