2000
#141,788
National surname rank
First available Census row
Of Slavic origin, potentially stemming from the Polish word 'pień' meaning log or stump.
According to the 2020 US Census Bureau surname tables, roughly 126 Americans carry the last name Pensky. 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 Pensky 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 Pensky 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 Pensky, the largest self-reported group is White at 90.0%. The next largest groups are Hispanic (5.5%) and Two or More Races (2.7%).
Origin
The surname Pensky has its origins in the Czech Republic, with records dating back to the 16th century. It is believed to have derived from the Czech word "peniaz," meaning "money" or "coin." This suggests that early bearers of this surname may have been involved in financial or banking professions, or perhaps were simply known for their wealth.
One of the earliest recorded instances of the Pensky name can be found in the archives of the city of Prague, where a merchant named Jan Pensky is mentioned in a document from 1572. The surname is also present in various church records and tax registers from the 17th and 18th centuries, primarily in the regions of Bohemia and Moravia.
Interestingly, the name appears to have been subject to some variations in spelling over time, with alternate forms such as "Penzky," "Penskij," and "Penizkovsky" also being documented. These variations likely reflect regional dialects and scribal variations common in historical records.
One notable bearer of the Pensky surname was Karel Pensky (1745-1822), a respected philosopher and educator who taught at the University of Prague. His works on ethics and moral philosophy were widely read and influenced generations of Czech scholars.
Another figure of historical significance was Anna Pensky (1803-1887), a pioneering philanthropist who established several orphanages and schools for underprivileged children in her native Brno. Her efforts were recognized by the Austrian Emperor Franz Joseph I, who awarded her the prestigious Order of Elizabeth in 1875.
In the realm of arts and culture, the name Pensky is associated with the celebrated Czech painter and illustrator, Josef Pensky (1858-1928). His vibrant landscapes and depictions of rural life earned him widespread acclaim and are now displayed in prominent galleries throughout the Czech Republic.
Moving into the 20th century, one cannot overlook the contributions of Vaclav Pensky (1901-1976), a renowned chemist whose research on catalytic processes and petrochemicals led to significant advancements in the field of organic chemistry. He was elected to the Czechoslovak Academy of Sciences in 1952 and received numerous awards for his groundbreaking work.
Lastly, the name Pensky gained further prominence in the world of sports with the achievements of Jaroslav Pensky (1933-2012), a legendary hockey player who represented Czechoslovakia in three Olympic Games, winning gold medals in 1964 and 1968. He was later inducted into the International Ice Hockey Federation Hall of Fame in recognition of his outstanding career.
Demographics
Among Census respondents with the surname Pensky, the largest self-reported group is White at 90.0%. The next largest groups are Hispanic (5.5%) and Two or More Races (2.7%).
The bar chart below shows how Pensky 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 Pensky surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Pensky 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
+8 bearers (+7.4%)
2020
National surname rank
-6 bearers (-5.2%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #141,788 | 108 | 0.04 | First available Census row | First available Census row |
| 2010 | #143,149 | 116 | 0.04 | +8 bearers (+7.4%) | Down 1,361 places |
| 2020 | #149,446 | 110 | 0.04 | -6 bearers (-5.2%) | Down 6,297 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 Pensky 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 | #143,149 | #149,446 | -4.4% |
| Count | 116 | 110 | -5.2% |
| Per 100K | 0.04 | 0.04 | -8.0% |
Between the 2010 and 2020 Census, the number of Pensky bearers went from 116 to 110 (-5.2% change). The surname moved down 6,297 positions in the national ranking, going from #143,149 to #149,446.
FAQ
Name Census estimates that about 126 living Americans carry the surname Pensky. Using the current population baseline, that works out to roughly 1 in 2,720,273 residents.
Pensky 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.
The raw 2020 Census file counted 110 people with the surname Pensky. 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.
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 Pensky.
Between 2010 and 2020, the surname Pensky went from 116 recorded bearers to 110. That is a decrease of 6 (-5.2%). In the national ranking it fell from #143,149 to #149,446.
Among Census respondents with the surname Pensky, the largest self-reported group is White at 90.0%. The next largest groups are Hispanic (5.5%) and Two or More Races (2.7%). 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 Pensky in the 2020 Census, accounting for 90.0% (99 people in the source table).
Pensky appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (90.0%), Hispanic (5.5%), Two or More Races (2.7%). 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 Pensky (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.
Of Slavic origin, potentially stemming from the Polish word 'pień' meaning log or stump. 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 Pensky (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.
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.