2000
#140,756
National surname rank
Recorded bearers 109
First available Census row
Per 100,000 0.04
Very Rare Last name
Eulo
A surname derived from a Greek root meaning "good" or "well".
According to the 2020 US Census Bureau surname tables, roughly 132 Americans carry the last name Eulo. That puts it at #145,757 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,596,624 residents).
This page is the full Name Census profile for the Eulo 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.
Bearers in the US
132
1 in 2,596,624
Census rank
#145,757
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
115
very rare in the US
Popularity narrative
The Census Bureau recorded 115 bearers of the surname Eulo in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 145757th position in the national surname ranking.
Among Census respondents with the surname Eulo, the largest self-reported group is White at 92.2%. The next largest groups are Hispanic (6.1%) and American Indian/Alaska Native (1.7%).
Origin
Meaning and origin of Eulo
The surname Eulo has its origins in the small village of Eulo, located in the southwestern region of the Calabria province in Italy. The name can be traced back to the 11th century, with records indicating that it derived from the Greek word "eulos," meaning "well-twisted" or "well-woven," likely referring to the local textile industry.
One of the earliest known references to the Eulo surname is found in the Catasto Onciario, a land registry compiled in the late 15th century under the rule of King Ferdinand I of Naples. This document lists several families bearing the name Eulo as landowners in the vicinity of the village.
In the 16th century, a notable figure by the name of Giovanni Eulo (1525-1598) gained recognition as a skilled architect and engineer. He was commissioned by the Spanish viceroy to design and construct several fortifications and public buildings throughout the region.
The Eulo surname also appears in various church records and census documents from the 17th and 18th centuries, indicating its prevalence in the surrounding areas of Calabria. One such record mentions a Antonio Eulo (1632-1711), a respected local scholar and teacher who authored several works on philosophy and theology.
As the Eulo family spread throughout Italy and beyond, the name underwent slight variations in spelling, such as Eulo, Euli, and Eulo. In the 19th century, a prominent figure named Francesco Eulo (1812-1890) emerged as a successful businessman and philanthropist in the city of Naples. He is credited with establishing several charitable organizations and funding the construction of a hospital in his hometown.
Another notable individual bearing the Eulo surname was Giuseppe Eulo (1876-1942), a renowned painter and sculptor from Sicily. His works were exhibited in galleries across Europe and earned him critical acclaim during the early 20th century.
While the Eulo surname has its roots in the southern Italian region of Calabria, it has since spread to other parts of the world through migration and cultural exchange. However, the name remains closely tied to its origins, serving as a testament to the rich history and heritage of the small village from which it emerged.
Demographics
Ancestry and ethnicity for Eulo
Among Census respondents with the surname Eulo, the largest self-reported group is White at 92.2%. The next largest groups are Hispanic (6.1%) and American Indian/Alaska Native (1.7%).
The bar chart below shows how Eulo 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 Eulo surname at the time of the 2020 Census, not any inherent property of the name itself.
- White92.2% · 106
- Hispanic or Latino6.1% · 7
- American Indian and Alaska Native1.7% · 2
Timeline
Historical Census data for Eulo
Eulo 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
#133,863
National surname rank
Recorded bearers 126
+17 bearers (+15.6%)
Per 100,000 0.04
Rank movement Up 6,893 places
2020
#145,757
National surname rank
Recorded bearers 115
-11 bearers (-8.7%)
Per 100,000 0.04
Rank movement Down 11,894 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #140,756 | 109 | 0.04 | First available Census row | First available Census row |
| 2010 | #133,863 | 126 | 0.04 | +17 bearers (+15.6%) | Up 6,893 places |
| 2020 | #145,757 | 115 | 0.04 | -11 bearers (-8.7%) | Down 11,894 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 Eulo 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 | #133,863 | #145,757 | -8.9% |
| Count | 126 | 115 | -8.7% |
| Per 100K | 0.04 | 0.04 | -3.8% |
Between the 2010 and 2020 Census, the number of Eulo bearers went from 126 to 115 (-8.7% change). The surname moved down 11,894 positions in the national ranking, going from #133,863 to #145,757.
FAQ
Eulo surname: questions and answers
How many people in the U.S. have the surname Eulo?
Name Census estimates that about 132 living Americans carry the surname Eulo. Using the current population baseline, that works out to roughly 1 in 2,596,624 residents.
How common is Eulo?
Eulo ranks #145,757 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.04 per 100,000 residents, which is about 0 people out of every 100,000.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 115 people with the surname Eulo. That is different from the site's living-bearer estimate (132), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.04 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.04 per 100,000 means that if you picked a random group of 100,000 U.S. residents, you would expect about 0 of them to have the surname Eulo.
Has Eulo become more or less common over time?
Between 2010 and 2020, the surname Eulo went from 126 recorded bearers to 115. That is a decrease of 11 (-8.7%). In the national ranking it fell from #133,863 to #145,757.
What does the Census say about the background of Eulo?
Among Census respondents with the surname Eulo, the largest self-reported group is White at 92.2%. The next largest groups are Hispanic (6.1%) and American Indian/Alaska Native (1.7%). 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 Eulo in the 2020 Census, accounting for 92.2% (106 people in the source table).
What is the full ancestry breakdown?
Eulo appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (92.2%), Hispanic (6.1%), American Indian/Alaska Native (1.7%). 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 Eulo (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 Eulo mean?
A surname derived from a Greek root meaning "good" or "well". 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 Eulo (0.04 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 people are called Eulo?
Our sister site HowManyOfMe.org answers how many people have the surname Eulo at a glance, with the living-bearer count up front.