2000
#146,011
National surname rank
Recorded bearers 104
First available Census row
Per 100,000 0.04
Very Rare Last name
Lanciault
An occupational surname derived from the Old French word "lanciaux" meaning "maker of lances".
According to the 2020 US Census Bureau surname tables, roughly 125 Americans carry the last name Lanciault. That puts it at #150,205 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,742,035 residents).
This page is the full Name Census profile for the Lanciault 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
125
1 in 2,742,035
Census rank
#150,205
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
109
very rare in the US
Popularity narrative
The Census Bureau recorded 109 bearers of the surname Lanciault in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 150205th position in the national surname ranking.
Among Census respondents with the surname Lanciault, the largest self-reported group is White at 84.4%. The next largest groups are Hispanic (7.3%) and Two or More Races (4.6%).
Origin
Meaning and origin of Lanciault
The surname LANCIAULT is of French origin, deriving from the Old French word "lancier," which referred to a type of soldier who carried a lance. This name likely originated in the northern regions of France during the Middle Ages, when the use of lances and other medieval weaponry was widespread among soldiers and knights.
One of the earliest recorded instances of the name LANCIAULT can be found in the Armorial Général, a comprehensive compilation of French coats of arms compiled in the late 17th century under the order of King Louis XIV. This record suggests that the LANCIAULT family possessed a degree of nobility or status during that period.
In the 14th century, a notable figure named Jean LANCIAULT was mentioned in historical records as a skilled archer and member of the French military. His expertise with the lance and other medieval weapons earned him recognition among his contemporaries.
During the 16th century, a wealthy merchant named Philippe LANCIAULT was documented as residing in the city of Rouen, a major commercial center in Normandy. His success in trade and business ventures allowed his family to accumulate significant wealth and influence within the region.
Another prominent individual bearing the LANCIAULT surname was Jeanne LANCIAULT, a renowned French poet who lived in the 17th century. Her works, which often explored themes of love and nature, were widely acclaimed and contributed to the flourishing of French literature during that period.
In the 18th century, a French military officer named Louis LANCIAULT played a significant role in the French and Indian War, a conflict that took place in North America between the French and British forces. His bravery and strategic prowess on the battlefield were recognized by his superiors and fellow soldiers.
As the LANCIAULT surname spread throughout France and beyond, it likely underwent various spelling variations, such as Lanciau, Lanciaux, or Lanceault, reflecting regional dialects and linguistic changes over time. Additionally, the name may have been influenced by or derived from specific place names or locations associated with the family's history and origins.
Demographics
Ancestry and ethnicity for Lanciault
Among Census respondents with the surname Lanciault, the largest self-reported group is White at 84.4%. The next largest groups are Hispanic (7.3%) and Two or More Races (4.6%).
The bar chart below shows how Lanciault 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 Lanciault surname at the time of the 2020 Census, not any inherent property of the name itself.
- White84.4% · 92
- Hispanic or Latino7.3% · 8
- Two or more races4.6% · 5
- Asian and Pacific Islander2.8% · 3
- Black or African American0.9% · 1
Timeline
Historical Census data for Lanciault
Lanciault 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
#152,628
National surname rank
Recorded bearers 107
+3 bearers (+2.9%)
Per 100,000 0.04
Rank movement Down 6,617 places
2020
#150,205
National surname rank
Recorded bearers 109
+2 bearers (+1.9%)
Per 100,000 0.04
Rank movement Up 2,423 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #146,011 | 104 | 0.04 | First available Census row | First available Census row |
| 2010 | #152,628 | 107 | 0.04 | +3 bearers (+2.9%) | Down 6,617 places |
| 2020 | #150,205 | 109 | 0.04 | +2 bearers (+1.9%) | Up 2,423 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 Lanciault 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 | #152,628 | #150,205 | 1.6% |
| Count | 107 | 109 | 1.9% |
| Per 100K | 0.04 | 0.04 | -8.8% |
Between the 2010 and 2020 Census, the number of Lanciault bearers went from 107 to 109 (+1.9% change). The surname moved up 2,423 positions in the national ranking, going from #152,628 to #150,205.
FAQ
Lanciault surname: questions and answers
How many people in the U.S. have the surname Lanciault?
Name Census estimates that about 125 living Americans carry the surname Lanciault. Using the current population baseline, that works out to roughly 1 in 2,742,035 residents.
How common is Lanciault?
Lanciault ranks #150,205 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 109 people with the surname Lanciault. That is different from the site's living-bearer estimate (125), 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 Lanciault.
Has Lanciault become more or less common over time?
Between 2010 and 2020, the surname Lanciault went from 107 recorded bearers to 109. That is an increase of 2 (+1.9%). In the national ranking it rose from #152,628 to #150,205.
What does the Census say about the background of Lanciault?
Among Census respondents with the surname Lanciault, the largest self-reported group is White at 84.4%. The next largest groups are Hispanic (7.3%) and Two or More Races (4.6%). 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?
White is the largest self-reported group for the surname Lanciault in the 2020 Census, accounting for 84.4% (92 people in the source table).
What is the full ancestry breakdown?
Lanciault appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (84.4%), Hispanic (7.3%), Two or More Races (4.6%). 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 Lanciault (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 Lanciault mean?
An occupational surname derived from the Old French word "lanciaux" meaning "maker of lances". 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 Lanciault (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 many people have the last name Lanciault?
If you just want to know how many people are called Lanciault, HowManyOfMe.org gives you the headline number in one glance.