2000
#7,056
National surname rank
Recorded bearers 4,370
First available Census row
Per 100,000 1.62
Rare Last name
Stlouis
A French toponymic surname referring to someone from the city of Saint-Louis or a place called Saint-Louis.
According to the 2020 US Census Bureau surname tables, roughly 6,067 Americans carry the last name Stlouis. That puts it at #6,198 in the national surname ranking, appearing at a frequency of 1.77 per 100,000 people (about 1 in 56,495 residents).
This page is the full Name Census profile for the Stlouis 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 Stlouis with 1881 census detail, origin facts and modern UK distribution where available.
Bearers in the US
6.1K
1 in 56,495
Census rank
#6,198
2020 decennial data
Per 100,000
1.8
Frequency rate
Recorded bearers
5.3K
rare in the US
Popularity narrative
The Census Bureau recorded 5,291 bearers of the surname Stlouis in its 2020 decennial surname file. At a rate of 1.77 per 100,000 residents, it holds the 6198th position in the national surname ranking.
Among Census respondents with the surname Stlouis, the largest self-reported group is Black at 48.0%. The next largest groups are White (43.0%) and Hispanic (4.0%).
Origin
Meaning and origin of Stlouis
The surname STLOUIS has its origins in France, specifically in the region of Normandy. It is believed to have emerged in the 12th or 13th century as a locational name, derived from the city of Saint-Louis, which was named after Louis IX, the King of France, who was canonized as a saint.
One of the earliest recorded instances of the name STLOUIS can be found in the historical records of Normandy, where it appears as a variant spelling such as "Saint-Louis" or "de Saint-Louis." These records date back to the 13th and 14th centuries and often refer to individuals who hailed from the city of Saint-Louis or its surrounding areas.
In the 15th century, the name STLOUIS appears in the records of the city of Rouen, where it is mentioned in connection with a prominent merchant family. One notable figure from this time was Jacques STLOUIS (1425-1482), a successful trader and landowner who played a significant role in the economic and political affairs of Rouen.
As the name spread beyond its initial geographical origins, it took on various spellings and forms. In England, for example, it was sometimes written as "St. Louis" or "Saint-Louis," reflecting the French influence on the English language during the Norman conquest.
During the 16th and 17th centuries, the STLOUIS name gained further prominence in France, with several notable individuals bearing this surname. One such figure was Pierre STLOUIS (1570-1637), a renowned French author and philosopher who wrote extensively on topics ranging from theology to politics.
Another noteworthy bearer of the STLOUIS name was Marie STLOUIS (1635-1701), a French noblewoman and philanthropist who was known for her charitable works and support of various religious and educational institutions in Paris.
In the 18th century, the STLOUIS surname crossed the Atlantic and gained a foothold in the New World. One of the earliest recorded instances of the name in North America was that of Jean-Baptiste STLOUIS (1720-1789), a French-Canadian explorer and fur trader who played a significant role in the exploration and settlement of the American Midwest.
As the STLOUIS name continued to spread and evolve over the centuries, it became associated with numerous accomplished individuals in various fields. One such figure was Henri STLOUIS (1825-1895), a French military officer and engineer who made significant contributions to the development of military fortifications and infrastructure in France and its colonies.
Another notable bearer of the STLOUIS name was Marie STLOUIS (1889-1977), a French artist and sculptor whose works were exhibited in major galleries and museums throughout Europe and beyond. Her distinctive style and innovative techniques earned her critical acclaim and a place among the most influential artists of her time.
Demographics
Ancestry and ethnicity for Stlouis
Among Census respondents with the surname Stlouis, the largest self-reported group is Black at 48.0%. The next largest groups are White (43.0%) and Hispanic (4.0%).
The bar chart below shows how Stlouis 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 Stlouis surname at the time of the 2020 Census, not any inherent property of the name itself.
- Black or African American48.0% · 2,540
- White43.0% · 2,277
- Hispanic or Latino4.0% · 209
- Two or more races3.7% · 196
- American Indian and Alaska Native0.7% · 37
- Asian and Pacific Islander0.6% · 32
Timeline
Historical Census data for Stlouis
Stlouis 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
#6,569
National surname rank
Recorded bearers 5,158
+788 bearers (+18.0%)
Per 100,000 1.75
Rank movement Up 487 places
2020
#6,198
National surname rank
Recorded bearers 5,291
+133 bearers (+2.6%)
Per 100,000 1.77
Rank movement Up 371 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #7,056 | 4,370 | 1.62 | First available Census row | First available Census row |
| 2010 | #6,569 | 5,158 | 1.75 | +788 bearers (+18.0%) | Up 487 places |
| 2020 | #6,198 | 5,291 | 1.77 | +133 bearers (+2.6%) | Up 371 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 Stlouis 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 | #6,569 | #6,198 | 5.6% |
| Count | 5,158 | 5,291 | 2.6% |
| Per 100K | 1.75 | 1.77 | 1.2% |
Between the 2010 and 2020 Census, the number of Stlouis bearers went from 5,158 to 5,291 (+2.6% change). The surname moved up 371 positions in the national ranking, going from #6,569 to #6,198.
Notable bearers
Famous people with the surname Stlouis
FAQ
Stlouis surname: questions and answers
How many people in the U.S. have the surname Stlouis?
Name Census estimates that about 6,067 living Americans carry the surname Stlouis. Using the current population baseline, that works out to roughly 1 in 56,495 residents.
How common is Stlouis?
Stlouis ranks #6,198 in the 2020 Census surname tables and is classified on this site as "Rare." The Census recorded the name at a frequency of 1.77 per 100,000 residents, which is about 2 people out of every 100,000.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 5,291 people with the surname Stlouis. That is different from the site's living-bearer estimate (6,067), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 1.77 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 1.77 per 100,000 means that if you picked a random group of 100,000 U.S. residents, you would expect about 2 of them to have the surname Stlouis.
Has Stlouis become more or less common over time?
Between 2010 and 2020, the surname Stlouis went from 5,158 recorded bearers to 5,291. That is an increase of 133 (+2.6%). In the national ranking it rose from #6,569 to #6,198.
What does the Census say about the background of Stlouis?
Among Census respondents with the surname Stlouis, the largest self-reported group is Black at 48.0%. The next largest groups are White (43.0%) and Hispanic (4.0%). 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?
Black is the largest self-reported group for the surname Stlouis in the 2020 Census, accounting for 48.0% (2,540 people in the source table).
What is the full ancestry breakdown?
Stlouis appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Black (48.0%), White (43.0%), Hispanic (4.0%). 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 Stlouis (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 Stlouis mean?
A French toponymic surname referring to someone from the city of Saint-Louis or a place called Saint-Louis. 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 Stlouis (1.77 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 have the last name Stlouis?
Want to know how many people are called Stlouis? HowManyOfMe.org, our sister site, puts the living-bearer count front and centre.