2010
#156,044
National surname rank
Recorded bearers 104
First available Census row
Per 100,000 0.04
Very Rare Last name
Saunsoci
Derived from an Old French surname, possibly referring to a resident of a specific place.
According to the 2020 US Census Bureau surname tables, roughly 122 Americans carry the last name Saunsoci. 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 Saunsoci 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 Saunsoci 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 Saunsoci, the largest self-reported group is American Indian/Alaska Native at 77.4%. The next largest groups are Hispanic (7.5%) and Two or More Races (6.6%).
Origin
Meaning and origin of Saunsoci
The surname SAUNSOCI originated in the ancient region of Gaul, which is now modern-day France, during the 5th century CE. It is derived from the Old French phrase "sans souci," meaning "without worry" or "carefree." This phrase likely originated as a descriptor for someone with a relaxed or easygoing demeanor.
One of the earliest recorded instances of the name SAUNSOCI can be found in the Cartulaire de l'Abbaye de Saint-Père de Chartres, a 12th-century manuscript containing charters and records from the Abbey of Saint-Père in Chartres, France. The name appears as "Sanssocy" in a document dated 1187 CE.
In the 13th century, a nobleman named Geoffroy SAUNSOCI was recorded as a landowner in the village of Brie-Comte-Robert, located in the Île-de-France region. This is believed to be one of the earliest known individuals with this surname.
During the 14th century, the name SAUNSOCI began to appear in various regions of France, including Normandy and Burgundy. One notable figure from this period was Jacques SAUNSOCI (c. 1325 - c. 1395), a merchant and landowner from the town of Beaune in the Burgundy region.
By the 15th century, the name had spread to other parts of Europe, including England and the Low Countries. In 1472, a record in the Rolls of Parliament mentions a Thomas SAUNSOCI, a merchant from London.
Another prominent individual with this surname was Marie SAUNSOCI (c. 1490 - c. 1560), a French noblewoman from the Île-de-France region. She was known for her patronage of the arts and her support of Renaissance humanist scholars.
Throughout the centuries, various spellings of the name emerged, including Sansouci, Sanssouci, and Sansoucy. These variations were often influenced by regional dialects and scribal errors in records.
While the name SAUNSOCI is relatively uncommon today, it remains a testament to the rich cultural heritage and linguistic diversity of France and its neighboring regions.
Demographics
Ancestry and ethnicity for Saunsoci
Among Census respondents with the surname Saunsoci, the largest self-reported group is American Indian/Alaska Native at 77.4%. The next largest groups are Hispanic (7.5%) and Two or More Races (6.6%).
The bar chart below shows how Saunsoci 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 Saunsoci surname at the time of the 2020 Census, not any inherent property of the name itself.
- American Indian and Alaska Native77.4% · 82
- Hispanic or Latino7.5% · 8
- Two or more races6.6% · 7
- Black or African American5.7% · 6
- White2.8% · 3
Timeline
Historical Census data for Saunsoci
Saunsoci appears in 2 published Census surname files: 2010, 2020. The cards below show how the name's rank and bearer count changed across each release.
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 |
|---|---|---|---|---|---|
| 2010 | #156,044 | 104 | 0.04 | First available Census row | First available Census row |
| 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 Saunsoci 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 Saunsoci 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
Saunsoci surname: questions and answers
How many people in the U.S. have the surname Saunsoci?
Name Census estimates that about 122 living Americans carry the surname Saunsoci. Using the current population baseline, that works out to roughly 1 in 2,809,462 residents.
How common is Saunsoci?
Saunsoci 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 Saunsoci. 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 Saunsoci.
Has Saunsoci become more or less common over time?
Between 2010 and 2020, the surname Saunsoci 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 Saunsoci?
Among Census respondents with the surname Saunsoci, the largest self-reported group is American Indian/Alaska Native at 77.4%. The next largest groups are Hispanic (7.5%) and Two or More Races (6.6%). 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?
American Indian/Alaska Native is the largest self-reported group for the surname Saunsoci in the 2020 Census, accounting for 77.4% (82 people in the source table).
What is the full ancestry breakdown?
Saunsoci appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are American Indian/Alaska Native (77.4%), Hispanic (7.5%), Two or More Races (6.6%). 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 Saunsoci (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 Saunsoci mean?
Derived from an Old French surname, possibly referring to a resident of a specific place. 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 Saunsoci (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 are called Saunsoci?
See how many people have the last name Saunsoci on HowManyOfMe.org, our sister site built around that single question.