2000
#8,824
National surname rank
First available Census row
A French occupational surname referring to a cattle farmer or ox herder.
According to the 2020 US Census Bureau surname tables, roughly 3,924 Americans carry the last name Leboeuf. That puts it at #9,163 in the national surname ranking, appearing at a frequency of 1.14 per 100,000 people (about 1 in 87,348 residents).
This page is the full Name Census profile for the Leboeuf 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
3.9K
1 in 87,348
Census rank
#9,163
2020 decennial data
Per 100,000
1.1
Frequency rate
Recorded bearers
3.4K
rare in the US
Popularity narrative
The Census Bureau recorded 3,422 bearers of the surname Leboeuf in its 2020 decennial surname file. At a rate of 1.14 per 100,000 residents, it holds the 9163rd position in the national surname ranking.
Among Census respondents with the surname Leboeuf, the largest self-reported group is White at 90.4%. The next largest groups are Two or More Races (3.2%) and Hispanic (3.0%).
Origin
The surname LEBOEUF has its origins in France, specifically in the northern regions of the country. It can be traced back to the 12th century and is derived from the Old French words "le" meaning "the" and "boeuf" meaning "ox" or "cattle."
This name likely originated as a descriptive nickname, referring to someone who worked with cattle or was associated with the cattle trade in some way. It may have also been used to describe someone of a strong, ox-like physical stature.
One of the earliest recorded instances of the name LEBOEUF can be found in the "Cartulaire de l'Abbaye de Saint-Père de Chartres," a 12th-century manuscript from the Saint-Père Abbey in Chartres, France.
In the 13th century, a man named Renaud LEBOEUF was mentioned in the "Livre des Bourgeois de Valenciennes," a record of the citizens of the town of Valenciennes in northern France.
During the Middle Ages, the name LEBOEUF was particularly prevalent in the regions of Normandy, Picardy, and Île-de-France. Several variations of the name existed, such as LEBOEUF, LEBEU, and LEBEU.
One notable figure with this surname was Guillaume LEBOEUF, a 15th-century French architect who worked on the construction of the famous Notre-Dame Cathedral in Paris.
In the 16th century, Jacques LEBOEUF was a notable French jurist and legal scholar who served as a counselor in the Parlement of Paris.
Another historical figure was Jean LEBOEUF, a 17th-century French priest and historian who wrote extensively about the history of the diocese of Paris.
In the 18th century, Étienne LEBOEUF was a renowned French engraver and artist, known for his intricate engravings of architectural and scenic views.
One of the most famous individuals with this surname was Édouard LEBOEUF, a 19th-century French military officer who served as a general during the Franco-Prussian War (1870-1871).
Demographics
Among Census respondents with the surname Leboeuf, the largest self-reported group is White at 90.4%. The next largest groups are Two or More Races (3.2%) and Hispanic (3.0%).
The bar chart below shows how Leboeuf 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 Leboeuf surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Leboeuf 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
+85 bearers (+2.5%)
2020
National surname rank
-82 bearers (-2.3%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #8,824 | 3,419 | 1.27 | First available Census row | First available Census row |
| 2010 | #9,289 | 3,504 | 1.19 | +85 bearers (+2.5%) | Down 465 places |
| 2020 | #9,163 | 3,422 | 1.14 | -82 bearers (-2.3%) | Up 126 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 Leboeuf 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 | #9,289 | #9,163 | 1.4% |
| Count | 3,504 | 3,422 | -2.3% |
| Per 100K | 1.19 | 1.14 | -3.8% |
Between the 2010 and 2020 Census, the number of Leboeuf bearers went from 3,504 to 3,422 (-2.3% change). The surname moved up 126 positions in the national ranking, going from #9,289 to #9,163.
FAQ
Name Census estimates that about 3,924 living Americans carry the surname Leboeuf. Using the current population baseline, that works out to roughly 1 in 87,348 residents.
Leboeuf ranks #9,163 in the 2020 Census surname tables and is classified on this site as "Rare." The Census recorded the name at a frequency of 1.14 per 100,000 residents, which is about 1 people out of every 100,000.
The raw 2020 Census file counted 3,422 people with the surname Leboeuf. That is different from the site's living-bearer estimate (3,924), 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 1.14 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 Leboeuf.
Between 2010 and 2020, the surname Leboeuf went from 3,504 recorded bearers to 3,422. That is a decrease of 82 (-2.3%). In the national ranking it rose from #9,289 to #9,163.
Among Census respondents with the surname Leboeuf, the largest self-reported group is White at 90.4%. The next largest groups are Two or More Races (3.2%) and Hispanic (3.0%). 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 Leboeuf in the 2020 Census, accounting for 90.4% (3,095 people in the source table).
Leboeuf appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (90.4%), Two or More Races (3.2%), Hispanic (3.0%). 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 Leboeuf (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 a cattle farmer or ox herder. 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 Leboeuf (1.14 per 100,000) and applies that rate to the current U.S. resident population to estimate how many living Americans have the surname today.
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.