2000
#129,619
National surname rank
Recorded bearers 121
First available Census row
Per 100,000 0.04
Very Rare Last name
Gilbeaux
A French surname derived from the Germanic personal name Gilbert.
According to the 2020 US Census Bureau surname tables, roughly 122 Americans carry the last name Gilbeaux. That puts it at #152,339 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,809,462 residents).
This page is the full Name Census profile for the Gilbeaux 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
122
1 in 2,809,462
Census rank
#152,339
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
106
very rare in the US
Popularity narrative
The Census Bureau recorded 106 bearers of the surname Gilbeaux in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 152339th position in the national surname ranking.
Among Census respondents with the surname Gilbeaux, the largest self-reported group is Black at 69.8%. The next largest groups are White (20.8%) and Two or More Races (5.7%).
Origin
Meaning and origin of Gilbeaux
The surname GILBEAUX originates from France, with its roots tracing back to the Middle Ages. It is a locational surname, derived from the old French place name Gilbeau or Gillebeau, a small village located in the northern region of France. The name itself is believed to have evolved from the Germanic personal name Gislbald, which comprised the elements "gisl," meaning "hostage," and "bald," meaning "bold" or "courageous."
One of the earliest recorded instances of the GILBEAUX surname can be found in the Livre des Bourgeois de Valenciennes, a medieval manuscript compiled in the 13th century, which lists several individuals bearing the name Gilbeau. The surname's spelling variations during this period included Gilbeau, Gillebeaux, and Gillebaut.
In the 14th century, the name GILBEAUX appeared in various French records, such as the "Rôles de l'Échiquier de Normandie," which documented a certain Jehan Gilbeaux residing in the region of Normandy. Another notable mention is found in the "Livre des Bourgeois de Rouen," a registry of citizens from the city of Rouen, which lists a Pierre Gilbeaux in the year 1382.
During the Renaissance period, the GILBEAUX surname gained prominence with the rise of a notable family from the region of Picardy. Claude Gilbeaux (1521-1598), a renowned scholar and historian, authored several works on the history of France and the Picardy region. His son, Jacques Gilbeaux (1553-1621), followed in his footsteps as a respected writer and chronicler.
In the 17th century, the GILBEAUX surname appeared in connection with a small hamlet called Gilbeauville, located in the French province of Normandy. It is believed that this place name was derived from the GILBEAUX surname, reflecting the prominent presence of the family in the area.
Another notable figure bearing the GILBEAUX surname was François Gilbeaux (1674-1741), a French military officer who served as a lieutenant in the renowned Régiment de Picardie during the reign of Louis XIV. He was recognized for his bravery in several battles, including the Siege of Namur and the Battle of Blenheim.
Throughout the 18th and 19th centuries, the GILBEAUX surname continued to be present in various regions of France, with records indicating individuals bearing the name in areas such as Champagne, Île-de-France, and Normandy.
Demographics
Ancestry and ethnicity for Gilbeaux
Among Census respondents with the surname Gilbeaux, the largest self-reported group is Black at 69.8%. The next largest groups are White (20.8%) and Two or More Races (5.7%).
The bar chart below shows how Gilbeaux 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 Gilbeaux surname at the time of the 2020 Census, not any inherent property of the name itself.
- Black or African American69.8% · 74
- White20.8% · 22
- Two or more races5.7% · 6
- Hispanic or Latino2.8% · 3
- Asian and Pacific Islander0.9% · 1
Timeline
Historical Census data for Gilbeaux
Gilbeaux 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
#156,044
National surname rank
Recorded bearers 104
-17 bearers (-14.0%)
Per 100,000 0.04
Rank movement Down 26,425 places
2020
#152,339
National surname rank
Recorded bearers 106
+2 bearers (+1.9%)
Per 100,000 0.04
Rank movement Up 3,705 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #129,619 | 121 | 0.04 | First available Census row | First available Census row |
| 2010 | #156,044 | 104 | 0.04 | -17 bearers (-14.0%) | Down 26,425 places |
| 2020 | #152,339 | 106 | 0.04 | +2 bearers (+1.9%) | Up 3,705 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 Gilbeaux 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 | #156,044 | #152,339 | 2.4% |
| Count | 104 | 106 | 1.9% |
| Per 100K | 0.04 | 0.04 | -11.3% |
Between the 2010 and 2020 Census, the number of Gilbeaux bearers went from 104 to 106 (+1.9% change). The surname moved up 3,705 positions in the national ranking, going from #156,044 to #152,339.
FAQ
Gilbeaux surname: questions and answers
How many people in the U.S. have the surname Gilbeaux?
Name Census estimates that about 122 living Americans carry the surname Gilbeaux. Using the current population baseline, that works out to roughly 1 in 2,809,462 residents.
How common is Gilbeaux?
Gilbeaux ranks #152,339 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 106 people with the surname Gilbeaux. That is different from the site's living-bearer estimate (122), 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 Gilbeaux.
Has Gilbeaux become more or less common over time?
Between 2010 and 2020, the surname Gilbeaux went from 104 recorded bearers to 106. That is an increase of 2 (+1.9%). In the national ranking it rose from #156,044 to #152,339.
What does the Census say about the background of Gilbeaux?
Among Census respondents with the surname Gilbeaux, the largest self-reported group is Black at 69.8%. The next largest groups are White (20.8%) and Two or More Races (5.7%). 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?
Black is the largest self-reported group for the surname Gilbeaux in the 2020 Census, accounting for 69.8% (74 people in the source table).
What is the full ancestry breakdown?
Gilbeaux appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Black (69.8%), White (20.8%), Two or More Races (5.7%). 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 Gilbeaux (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 Gilbeaux mean?
A French surname derived from the Germanic personal name Gilbert. 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 Gilbeaux (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 common is the surname Gilbeaux?
Find out how many people have the surname Gilbeaux on our sister site HowManyOfMe.org — a quick modern estimate with the living-bearer count front and centre.