2010
#146,201
National surname rank
Recorded bearers 113
First available Census row
Per 100,000 0.04
Very Rare Last name
Supeck
A surname derived from the Czech word "sup" meaning a scratcher or teaser.
According to the 2020 US Census Bureau surname tables, roughly 126 Americans carry the last name Supeck. That puts it at #149,446 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,720,273 residents).
This page is the full Name Census profile for the Supeck 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
126
1 in 2,720,273
Census rank
#149,446
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
110
very rare in the US
Popularity narrative
The Census Bureau recorded 110 bearers of the surname Supeck in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 149446th position in the national surname ranking.
Among Census respondents with the surname Supeck, the largest self-reported group is White at 89.1%. The next largest groups are Two or More Races (7.3%) and Black (0.9%).
Origin
Meaning and origin of Supeck
The surname Supeck is of Eastern European origin, specifically from the regions of present-day Poland and Slovakia. It dates back to the early 16th century, derived from the Slavic word "sup," meaning "owl." This suggests the name may have initially referred to someone who resembled or had characteristics associated with owls.
In the 16th and 17th centuries, variations of the name, such as Soupek and Supczyk, appeared in church records and town registers in the Polish-Lithuanian Commonwealth and the Kingdom of Hungary. One of the earliest recorded instances is Jakub Supczyk, a landowner mentioned in a 1583 deed from the village of Strzelin, now in southwestern Poland.
The name Supeck is also connected to the village of Supków, located in the Świętokrzyskie Voivodeship of central Poland. This place name likely originated from the same root word as the surname, indicating the family may have originated from or had ties to this area.
Notably, Jan Supeck (1550-1629), a Polish nobleman and military commander, played a significant role in the Polish-Swedish War of the early 17th century. He is recognized for his leadership in defending the city of Gdańsk against Swedish forces in 1627.
Another prominent figure with this surname was Stanisław Supeck (1795-1872), a Polish writer and translator who contributed to the development of Polish literature during the Romantic period. He is best known for his translations of works by Johann Wolfgang von Goethe and Walter Scott.
In the late 19th century, the name Supeck appeared in records of immigrants from Eastern Europe to the United States and Canada. One such individual was Jan Supeck (1846-1928), a Polish-born farmer who settled in Manitoba, Canada, in the 1880s and became a respected member of the local community.
Other notable individuals with the Supeck surname include Maksymilian Supeck (1870-1935), a Polish-American businessman and community leader in Detroit, Michigan, and Zdzisław Supeck (1920-2001), a Polish painter and graphic artist known for his abstract compositions.
Demographics
Ancestry and ethnicity for Supeck
Among Census respondents with the surname Supeck, the largest self-reported group is White at 89.1%. The next largest groups are Two or More Races (7.3%) and Black (0.9%).
The bar chart below shows how Supeck 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 Supeck surname at the time of the 2020 Census, not any inherent property of the name itself.
- White89.1% · 98
- Two or more races7.3% · 8
- Black or African American0.9% · 1
- Hispanic or Latino0.9% · 1
- Asian and Pacific Islander0.9% · 1
- American Indian and Alaska Native0.9% · 1
Timeline
Historical Census data for Supeck
Supeck 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
#149,446
National surname rank
Recorded bearers 110
-3 bearers (-2.7%)
Per 100,000 0.04
Rank movement Down 3,245 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #146,201 | 113 | 0.04 | First available Census row | First available Census row |
| 2020 | #149,446 | 110 | 0.04 | -3 bearers (-2.7%) | Down 3,245 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 Supeck 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 | #146,201 | #149,446 | -2.2% |
| Count | 113 | 110 | -2.7% |
| Per 100K | 0.04 | 0.04 | -8.0% |
Between the 2010 and 2020 Census, the number of Supeck bearers went from 113 to 110 (-2.7% change). The surname moved down 3,245 positions in the national ranking, going from #146,201 to #149,446.
FAQ
Supeck surname: questions and answers
How many people in the U.S. have the surname Supeck?
Name Census estimates that about 126 living Americans carry the surname Supeck. Using the current population baseline, that works out to roughly 1 in 2,720,273 residents.
How common is Supeck?
Supeck ranks #149,446 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 110 people with the surname Supeck. That is different from the site's living-bearer estimate (126), 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 Supeck.
Has Supeck become more or less common over time?
Between 2010 and 2020, the surname Supeck went from 113 recorded bearers to 110. That is a decrease of 3 (-2.7%). In the national ranking it fell from #146,201 to #149,446.
What does the Census say about the background of Supeck?
Among Census respondents with the surname Supeck, the largest self-reported group is White at 89.1%. The next largest groups are Two or More Races (7.3%) and Black (0.9%). 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 Supeck in the 2020 Census, accounting for 89.1% (98 people in the source table).
What is the full ancestry breakdown?
Supeck appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (89.1%), Two or More Races (7.3%), Black (0.9%). 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 Supeck (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 Supeck mean?
A surname derived from the Czech word "sup" meaning a scratcher or teaser. 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 Supeck (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 Supeck?
For a quick modern take, check how common the surname Supeck is on our sister site HowManyOfMe.org.