2000
#12,807
National surname rank
Recorded bearers 2,206
First available Census row
Per 100,000 0.82
Rare Last name
Leto
An Italian surname derived from the Latin word "laetus," meaning "happy, joyful, or prosperous."
According to the 2020 US Census Bureau surname tables, roughly 2,452 Americans carry the last name Leto. That puts it at #13,583 in the national surname ranking, appearing at a frequency of 0.72 per 100,000 people (about 1 in 139,786 residents).
This page is the full Name Census profile for the Leto 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
2.5K
1 in 139,786
Census rank
#13,583
2020 decennial data
Per 100,000
0.7
Frequency rate
Recorded bearers
2.1K
rare in the US
Popularity narrative
The Census Bureau recorded 2,138 bearers of the surname Leto in its 2020 decennial surname file. At a rate of 0.72 per 100,000 residents, it holds the 13583rd position in the national surname ranking.
Among Census respondents with the surname Leto, the largest self-reported group is White at 87.9%. The next largest groups are Hispanic (7.5%) and Two or More Races (2.8%).
Origin
Meaning and origin of Leto
The surname Leto is believed to have originated in Italy, with its earliest records dating back to the 16th century. The name is thought to be derived from the Latin word "laetus," meaning "joyful" or "happy." It was likely used as a descriptive surname, given to individuals with a cheerful or pleasant demeanor.
One of the earliest documented instances of the Leto surname can be found in the records of the city of Rome from the late 1500s. During this time, the name appeared in various spellings, such as "Letto" and "Letti," reflecting the regional variations in pronunciation and spelling.
In the 17th century, the Leto family established a presence in the town of Abruzzo, located in central Italy. Records from this period show several members of the Leto family holding prominent positions within the local community, including merchants and landowners.
By the 18th century, the Leto surname had spread to other regions of Italy, including Naples and Sicily. One notable figure from this time was Giovanni Leto (1720-1789), a renowned artist and sculptor from Naples. His works can still be found in various churches and museums throughout Italy.
As the Leto family continued to grow and expand, some members ventured beyond the borders of Italy. In the early 19th century, a branch of the family settled in the Spanish city of Barcelona, where they established a successful textile business. One of the most prominent members of this branch was Antonio Leto (1810-1875), a wealthy merchant and philanthropist.
Another prominent figure bearing the Leto surname was Maria Leto (1860-1932), an Italian opera singer who gained fame for her performances in various operas across Europe. She was particularly renowned for her portrayal of the lead role in Giacomo Puccini's "Tosca."
As the centuries passed, the Leto surname continued to spread across Europe and beyond. While its origins can be traced back to Italy, the name has since become part of the cultural tapestry of many countries and regions around the world.
Demographics
Ancestry and ethnicity for Leto
Among Census respondents with the surname Leto, the largest self-reported group is White at 87.9%. The next largest groups are Hispanic (7.5%) and Two or More Races (2.8%).
The bar chart below shows how Leto 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 Leto surname at the time of the 2020 Census, not any inherent property of the name itself.
- White87.9% · 1,879
- Hispanic or Latino7.5% · 161
- Two or more races2.8% · 59
- Asian and Pacific Islander1.1% · 23
- Black or African American0.7% · 16
Timeline
Historical Census data for Leto
Leto 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
#12,095
National surname rank
Recorded bearers 2,577
+371 bearers (+16.8%)
Per 100,000 0.87
Rank movement Up 712 places
2020
#13,583
National surname rank
Recorded bearers 2,138
-439 bearers (-17.0%)
Per 100,000 0.72
Rank movement Down 1,488 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #12,807 | 2,206 | 0.82 | First available Census row | First available Census row |
| 2010 | #12,095 | 2,577 | 0.87 | +371 bearers (+16.8%) | Up 712 places |
| 2020 | #13,583 | 2,138 | 0.72 | -439 bearers (-17.0%) | Down 1,488 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 Leto 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 | #12,095 | #13,583 | -12.3% |
| Count | 2,577 | 2,138 | -17.0% |
| Per 100K | 0.87 | 0.72 | -17.8% |
Between the 2010 and 2020 Census, the number of Leto bearers went from 2,577 to 2,138 (-17.0% change). The surname moved down 1,488 positions in the national ranking, going from #12,095 to #13,583.
Notable bearers
Famous people with the surname Leto
FAQ
Leto surname: questions and answers
How many people in the U.S. have the surname Leto?
Name Census estimates that about 2,452 living Americans carry the surname Leto. Using the current population baseline, that works out to roughly 1 in 139,786 residents.
How common is Leto?
Leto ranks #13,583 in the 2020 Census surname tables and is classified on this site as "Rare." The Census recorded the name at a frequency of 0.72 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 2,138 people with the surname Leto. That is different from the site's living-bearer estimate (2,452), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.72 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.72 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 Leto.
Has Leto become more or less common over time?
Between 2010 and 2020, the surname Leto went from 2,577 recorded bearers to 2,138. That is a decrease of 439 (-17.0%). In the national ranking it fell from #12,095 to #13,583.
What does the Census say about the background of Leto?
Among Census respondents with the surname Leto, the largest self-reported group is White at 87.9%. The next largest groups are Hispanic (7.5%) and Two or More Races (2.8%). 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 Leto in the 2020 Census, accounting for 87.9% (1,879 people in the source table).
What is the full ancestry breakdown?
Leto appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (87.9%), Hispanic (7.5%), Two or More Races (2.8%). 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 Leto (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 Leto mean?
An Italian surname derived from the Latin word "laetus," meaning "happy, joyful, or prosperous." 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 Leto (0.72 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 share the surname Leto?
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.