2000
#13,796
National surname rank
First available Census row
An Italian toponymic surname indicating a person from the town of Liguori in the province of Naples.
According to the 2020 US Census Bureau surname tables, roughly 2,339 Americans carry the last name Liguori. That puts it at #14,129 in the national surname ranking, appearing at a frequency of 0.68 per 100,000 people (about 1 in 146,539 residents).
This page is the full Name Census profile for the Liguori 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
2.3K
1 in 146,539
Census rank
#14,129
2020 decennial data
Per 100,000
0.7
Frequency rate
Recorded bearers
2.0K
rare in the US
Popularity narrative
The Census Bureau recorded 2,040 bearers of the surname Liguori in its 2020 decennial surname file. At a rate of 0.68 per 100,000 residents, it holds the 14129th position in the national surname ranking.
Among Census respondents with the surname Liguori, the largest self-reported group is White at 91.7%. The next largest groups are Hispanic (5.5%) and Two or More Races (1.3%).
Origin
The surname Liguori has its origins in Italy, specifically in the Campania region. It dates back to the medieval period, around the 11th or 12th century. The name is derived from the Italian town of Liguoro, which is located in the province of Naples. This town's name is believed to come from the Latin word "liquor," meaning liquid or moisture, suggesting a connection to a nearby river or water source.
One of the earliest recorded instances of the surname Liguori can be found in the Codex Diplomaticus Cavensis, a collection of medieval documents from the Benedictine monastery of Cava dei Tirreni, located in the Campania region. The name appears in several charters and deeds from the 12th and 13th centuries, often associated with individuals from the town of Liguoro or its surrounding areas.
In the 16th century, a notable figure bearing the surname Liguori was Alfonso Maria Liguori (1696-1787), an Italian Catholic bishop and founder of the Redemptorist religious congregation. He was also a prolific writer and moral theologian, known for his works on moral theology and spiritual guidance. In 1839, he was canonized as a saint by the Catholic Church.
Another prominent individual with this surname was Gennaro Liguori (1563-1637), an Italian composer and music theorist. He was born in Naples and is best known for his treatise on counterpoint, "Nuove musiche," published in 1613. This work was influential in the development of early Baroque music.
In the 19th century, Vincenzo Liguori (1807-1892) was an Italian painter and sculptor. He was born in Naples and is known for his religious paintings and sculptures, many of which can be found in churches throughout Italy.
During the Renaissance period, the surname Liguori was also associated with several noble families in the Kingdom of Naples. One such family was the Liguori di Presenzano, who held feudal lands and titles in the area around the town of Presenzano, located in the province of Caserta.
While the surname Liguori has its roots in Italy, particularly in the Campania region, it has since spread to other parts of the world through emigration. However, its origins can be traced back to the medieval town of Liguoro and its connection to the Latin word "liquor," reflecting the area's proximity to water sources.
Demographics
Among Census respondents with the surname Liguori, the largest self-reported group is White at 91.7%. The next largest groups are Hispanic (5.5%) and Two or More Races (1.3%).
The bar chart below shows how Liguori 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 Liguori surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Liguori 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.
2000
National surname rank
First available Census row
2010
National surname rank
+15 bearers (+0.7%)
2020
National surname rank
+13 bearers (+0.6%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #13,796 | 2,012 | 0.75 | First available Census row | First available Census row |
| 2010 | #14,669 | 2,027 | 0.69 | +15 bearers (+0.7%) | Down 873 places |
| 2020 | #14,129 | 2,040 | 0.68 | +13 bearers (+0.6%) | Up 540 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
How has the Liguori surname changed between Census years? The chart shows bearer count side by side, and the table compares rank, count, and frequency.
Census year comparison
| Metric | 2010 | 2020 | Change |
|---|---|---|---|
| Rank | #14,669 | #14,129 | 3.7% |
| Count | 2,027 | 2,040 | 0.6% |
| Per 100K | 0.69 | 0.68 | -1.1% |
Between the 2010 and 2020 Census, the number of Liguori bearers went from 2,027 to 2,040 (+0.6% change). The surname moved up 540 positions in the national ranking, going from #14,669 to #14,129.
FAQ
Name Census estimates that about 2,339 living Americans carry the surname Liguori. Using the current population baseline, that works out to roughly 1 in 146,539 residents.
Liguori ranks #14,129 in the 2020 Census surname tables and is classified on this site as "Rare." The Census recorded the name at a frequency of 0.68 per 100,000 residents, which is about 1 people out of every 100,000.
The raw 2020 Census file counted 2,040 people with the surname Liguori. That is different from the site's living-bearer estimate (2,339), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
It is the Census Bureau's normalized frequency measure. A rate of 0.68 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 Liguori.
Between 2010 and 2020, the surname Liguori went from 2,027 recorded bearers to 2,040. That is an increase of 13 (+0.6%). In the national ranking it rose from #14,669 to #14,129.
Among Census respondents with the surname Liguori, the largest self-reported group is White at 91.7%. The next largest groups are Hispanic (5.5%) and Two or More Races (1.3%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
White is the largest self-reported group for the surname Liguori in the 2020 Census, accounting for 91.7% (1,871 people in the source table).
Liguori appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (91.7%), Hispanic (5.5%), Two or More Races (1.3%). 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.
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 Liguori (2000, 2010, 2020).
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.
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.
An Italian toponymic surname indicating a person from the town of Liguori in the province of Naples. The fuller origin note on this page goes into more detail.
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.
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 Liguori (0.68 per 100,000) and applies that rate to the current U.S. resident population to estimate how many living Americans have the surname today.
See how many Americans have the surname Liguori on HowManyOfMe.org, our sister site built around that single question.