2000
#6,458
National surname rank
First available Census row
A French occupational surname referring to someone who raised or herded geese.
According to the 2020 US Census Bureau surname tables, roughly 5,515 Americans carry the last name Aucoin. That puts it at #6,741 in the national surname ranking, appearing at a frequency of 1.61 per 100,000 people (about 1 in 62,149 residents).
This page is the full Name Census profile for the Aucoin 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
5.5K
1 in 62,149
Census rank
#6,741
2020 decennial data
Per 100,000
1.6
Frequency rate
Recorded bearers
4.8K
rare in the US
Popularity narrative
The Census Bureau recorded 4,809 bearers of the surname Aucoin in its 2020 decennial surname file. At a rate of 1.61 per 100,000 residents, it holds the 6741st position in the national surname ranking.
Among Census respondents with the surname Aucoin, the largest self-reported group is White at 92.6%. The next largest groups are Hispanic (3.0%) and Two or More Races (2.0%).
Origin
The surname AUCOIN has its origins tracing back to medieval France. It is believed to have derived from the Old French term "aucun," meaning "any" or "some." This name likely originated as a descriptive nickname or byname for someone who frequently used those terms.
In the early medieval period, the AUCOIN name was primarily concentrated in the northern regions of France, particularly in Normandy and Brittany. One of the earliest recorded instances of this surname can be found in the Domesday Book, a survey commissioned by William the Conqueror in 1086. The entry mentions a landowner named Radulfus Aucoin in Huntingdonshire, England.
As the centuries passed, the AUCOIN surname spread across various regions of France, with variations in spelling emerging, such as Aucoin, Aucouyn, and Aucouein. These variations reflect the regional dialects and linguistic variations common during that era.
One notable figure bearing the AUCOIN name was Jehan Aucoin, a French diplomat and scholar who lived in the 14th century. He served as an ambassador for King Charles VI and was renowned for his expertise in law and diplomacy.
In the 16th century, Jacques Aucoin (1520-1587) was a prominent French playwright and poet. His works, which often explored themes of love and human nature, were highly regarded during the Renaissance period.
Moving forward to the 17th century, Marie Aucoin (1639-1719) was a celebrated French actress and playwright. She was a member of the renowned Comédie-Française and is remembered for her contributions to the development of French theater.
In the 18th century, the AUCOIN name gained prominence in the French military. Pierre Aucoin (1720-1789) was a respected general who fought in the Seven Years' War and the American Revolutionary War, serving under the command of the Marquis de Lafayette.
Across the Atlantic, the AUCOIN surname also found its way to the French colonies in North America. One notable figure was Étienne Aucoin (1680-1752), a French-Canadian explorer and fur trader who played a significant role in establishing trade routes and settlements in what is now eastern Canada.
Throughout history, the AUCOIN surname has been associated with various professions, from scholars and artists to military leaders and explorers. While its origins can be traced back to medieval France, the name has since spread across the globe, carried by individuals who have left their mark on various aspects of society.
Demographics
Among Census respondents with the surname Aucoin, the largest self-reported group is White at 92.6%. The next largest groups are Hispanic (3.0%) and Two or More Races (2.0%).
The bar chart below shows how Aucoin 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 Aucoin surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Aucoin 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
+141 bearers (+2.9%)
2020
National surname rank
-180 bearers (-3.6%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #6,458 | 4,848 | 1.80 | First available Census row | First available Census row |
| 2010 | #6,757 | 4,989 | 1.69 | +141 bearers (+2.9%) | Down 299 places |
| 2020 | #6,741 | 4,809 | 1.61 | -180 bearers (-3.6%) | Up 16 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 Aucoin 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 | #6,757 | #6,741 | 0.2% |
| Count | 4,989 | 4,809 | -3.6% |
| Per 100K | 1.69 | 1.61 | -4.8% |
Between the 2010 and 2020 Census, the number of Aucoin bearers went from 4,989 to 4,809 (-3.6% change). The surname moved up 16 positions in the national ranking, going from #6,757 to #6,741.
Notable bearers
FAQ
Name Census estimates that about 5,515 living Americans carry the surname Aucoin. Using the current population baseline, that works out to roughly 1 in 62,149 residents.
Aucoin ranks #6,741 in the 2020 Census surname tables and is classified on this site as "Rare." The Census recorded the name at a frequency of 1.61 per 100,000 residents, which is about 2 people out of every 100,000.
The raw 2020 Census file counted 4,809 people with the surname Aucoin. That is different from the site's living-bearer estimate (5,515), 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 1.61 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 Aucoin.
Between 2010 and 2020, the surname Aucoin went from 4,989 recorded bearers to 4,809. That is a decrease of 180 (-3.6%). In the national ranking it rose from #6,757 to #6,741.
Among Census respondents with the surname Aucoin, the largest self-reported group is White at 92.6%. The next largest groups are Hispanic (3.0%) and Two or More Races (2.0%). 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 Aucoin in the 2020 Census, accounting for 92.6% (4,455 people in the source table).
Aucoin appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (92.6%), Hispanic (3.0%), Two or More Races (2.0%). 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.
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 Aucoin (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.
A French occupational surname referring to someone who raised or herded geese. 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 Aucoin (1.61 per 100,000) and applies that rate to the current U.S. resident population to estimate how many living Americans have the surname today.
Find out how many Americans have the surname Aucoin on our sister site HowManyOfMe.org — a quick modern estimate with the living-bearer count front and centre.