2000
#139,757
National surname rank
Recorded bearers 110
First available Census row
Per 100,000 0.04
Very Rare Last name
Delcoure
A French surname possibly derived from a place name or words meaning "of the court".
According to the 2020 US Census Bureau surname tables, roughly 130 Americans carry the last name Delcoure. That puts it at #147,221 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,636,572 residents).
This page is the full Name Census profile for the Delcoure 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
130
1 in 2,636,572
Census rank
#147,221
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
113
very rare in the US
Popularity narrative
The Census Bureau recorded 113 bearers of the surname Delcoure in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 147221st position in the national surname ranking.
Among Census respondents with the surname Delcoure, the largest self-reported group is White at 87.6%. The next largest groups are Two or More Races (4.4%) and Hispanic (3.5%).
Origin
Meaning and origin of Delcoure
The surname DELCOURE is of French origin, tracing its roots back to the northern regions of France during the late medieval period. It is believed to have derived from the Old French words "del" meaning "from" and "coure" meaning "courtyard" or "enclosure." This suggests that the name may have originated as a locational name, referring to someone who lived near or worked in a courtyard or enclosed area.
One of the earliest recorded instances of the name DELCOURE can be found in the medieval tax rolls of Normandy, dating back to the 13th century. These records document a Guillaume DELCOURE, who was a landowner in the village of Rouen. This provides evidence that the name was well-established in the region during that time.
In the 14th century, the name appeared in various municipal records and legal documents across northern France. Notably, a Jean DELCOURE is mentioned in a land dispute settlement from the year 1367, indicating the presence of the family in the town of Amiens.
During the 16th century, the name DELCOURE gained prominence in the region of Picardy, where several members of the family held respected positions. One notable figure was Pierre DELCOURE (1523-1592), a well-known merchant and alderman in the city of Abbeville.
As the DELCOURE family spread throughout France, variations in spelling emerged, such as DELCOUR, DELCOUR, and DELACOUR. These variations were often influenced by regional dialects and the preferences of local record keepers.
Another notable figure bearing the DELCOURE surname was Jacques DELCOURE (1678-1745), a prominent lawyer and legal scholar from Paris. His treatises on French civil law were widely influential during the 18th century.
In the realm of arts and literature, the name DELCOURE is associated with the French novelist and playwright, Émile DELCOURE (1819-1891). His works, which explored themes of social injustice and the plight of the working class, garnered critical acclaim in literary circles of the time.
The DELCOURE name also has a connection to the French military tradition. During the Napoleonic Wars, a certain Colonel Antoine DELCOURE (1775-1822) gained recognition for his bravery and leadership in several major battles, including the Battle of Austerlitz.
Throughout the centuries, the DELCOURE surname has maintained a presence in various regions of France, with families continuing to contribute to various fields and industries. While the specific origins of the name may be shrouded in the mists of time, its enduring legacy remains deeply rooted in the cultural tapestry of northern France.
Demographics
Ancestry and ethnicity for Delcoure
Among Census respondents with the surname Delcoure, the largest self-reported group is White at 87.6%. The next largest groups are Two or More Races (4.4%) and Hispanic (3.5%).
The bar chart below shows how Delcoure 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 Delcoure surname at the time of the 2020 Census, not any inherent property of the name itself.
- White87.6% · 99
- Two or more races4.4% · 5
- Hispanic or Latino3.5% · 4
- Asian and Pacific Islander2.7% · 3
- American Indian and Alaska Native1.8% · 2
Timeline
Historical Census data for Delcoure
Delcoure 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
#142,108
National surname rank
Recorded bearers 117
+7 bearers (+6.4%)
Per 100,000 0.04
Rank movement Down 2,351 places
2020
#147,221
National surname rank
Recorded bearers 113
-4 bearers (-3.4%)
Per 100,000 0.04
Rank movement Down 5,113 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #139,757 | 110 | 0.04 | First available Census row | First available Census row |
| 2010 | #142,108 | 117 | 0.04 | +7 bearers (+6.4%) | Down 2,351 places |
| 2020 | #147,221 | 113 | 0.04 | -4 bearers (-3.4%) | Down 5,113 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 Delcoure 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 | #142,108 | #147,221 | -3.6% |
| Count | 117 | 113 | -3.4% |
| Per 100K | 0.04 | 0.04 | -5.5% |
Between the 2010 and 2020 Census, the number of Delcoure bearers went from 117 to 113 (-3.4% change). The surname moved down 5,113 positions in the national ranking, going from #142,108 to #147,221.
FAQ
Delcoure surname: questions and answers
How many people in the U.S. have the surname Delcoure?
Name Census estimates that about 130 living Americans carry the surname Delcoure. Using the current population baseline, that works out to roughly 1 in 2,636,572 residents.
How common is Delcoure?
Delcoure ranks #147,221 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 113 people with the surname Delcoure. That is different from the site's living-bearer estimate (130), 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 Delcoure.
Has Delcoure become more or less common over time?
Between 2010 and 2020, the surname Delcoure went from 117 recorded bearers to 113. That is a decrease of 4 (-3.4%). In the national ranking it fell from #142,108 to #147,221.
What does the Census say about the background of Delcoure?
Among Census respondents with the surname Delcoure, the largest self-reported group is White at 87.6%. The next largest groups are Two or More Races (4.4%) and Hispanic (3.5%). 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 Delcoure in the 2020 Census, accounting for 87.6% (99 people in the source table).
What is the full ancestry breakdown?
Delcoure appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (87.6%), Two or More Races (4.4%), Hispanic (3.5%). 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 Delcoure (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 Delcoure mean?
A French surname possibly derived from a place name or words meaning "of the court". 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 Delcoure (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 Delcoure?
Want to know how many Americans have the surname Delcoure? HowManyOfMe.org, our sister site, puts the living-bearer count front and centre.