2000
#116,123
National surname rank
Recorded bearers 139
First available Census row
Per 100,000 0.05
Very Rare Last name
Sipiora
A Polish occupational surname derived from the word "sypać" meaning "to pour".
According to the 2020 US Census Bureau surname tables, roughly 138 Americans carry the last name Sipiora. That puts it at #142,049 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,483,727 residents).
This page is the full Name Census profile for the Sipiora 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
138
1 in 2,483,727
Census rank
#142,049
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
120
very rare in the US
Popularity narrative
The Census Bureau recorded 120 bearers of the surname Sipiora in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 142049th position in the national surname ranking.
Among Census respondents with the surname Sipiora, the largest self-reported group is White at 90.8%. The next largest groups are Two or More Races (5.8%) and Hispanic (2.5%).
Origin
Meaning and origin of Sipiora
The surname Sipiora is believed to have originated in Poland during the medieval period. It is thought to be derived from the Polish word "sipieć," which means "to wheeze" or "to breathe heavily." This suggests that the name may have been initially given as a nickname or descriptive term for someone with a distinctive breathing pattern or voice.
One of the earliest recorded instances of the name Sipiora can be found in the Akta Grodzkie, a collection of historical court records from the 15th to the 18th centuries in the Polish-Lithuanian Commonwealth. In these documents, there are references to individuals with the surname Sipiora residing in various regions of Poland, such as the towns of Kraków and Lublin.
During the 16th century, the Sipiora surname appeared in the Metryka Koronna, a series of royal registers and documents maintained by the Polish Crown. These records provide valuable insights into the lives and activities of individuals bearing this name, including their involvement in legal disputes, land transactions, and other affairs of the time.
Notably, the Sipiora surname has been associated with several notable figures throughout history. In the late 17th century, Jan Sipiora was a renowned Polish painter and engraver, known for his religious artworks and portraits. His works can be found in various churches and galleries across Poland.
Another prominent figure was Stanisław Sipiora, a Polish writer and journalist who lived in the 19th century. He was actively involved in the struggle for Polish independence and wrote extensively on political and social issues of the time.
In the early 20th century, Wojciech Sipiora gained recognition as a prominent Polish architect. He was responsible for designing several iconic buildings in Warsaw, including the famous Philharmonic Hall, which continues to be a cultural landmark in the city.
The Sipiora surname has also been associated with various place names in Poland. For example, the village of Sipiory in the Masovian Voivodeship is believed to have derived its name from the surname, indicating a historical connection between the name and the local geography.
While the origins of the Sipiora surname can be traced back to medieval Poland, it has since spread to other parts of the world due to immigration and diaspora communities. However, its roots remain firmly grounded in the rich cultural and historical tapestry of the Polish nation.
Demographics
Ancestry and ethnicity for Sipiora
Among Census respondents with the surname Sipiora, the largest self-reported group is White at 90.8%. The next largest groups are Two or More Races (5.8%) and Hispanic (2.5%).
The bar chart below shows how Sipiora 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 Sipiora surname at the time of the 2020 Census, not any inherent property of the name itself.
- White90.8% · 109
- Two or more races5.8% · 7
- Hispanic or Latino2.5% · 3
- Asian and Pacific Islander0.8% · 1
Timeline
Historical Census data for Sipiora
Sipiora 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
#126,765
National surname rank
Recorded bearers 135
-4 bearers (-2.9%)
Per 100,000 0.05
Rank movement Down 10,642 places
2020
#142,049
National surname rank
Recorded bearers 120
-15 bearers (-11.1%)
Per 100,000 0.04
Rank movement Down 15,284 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #116,123 | 139 | 0.05 | First available Census row | First available Census row |
| 2010 | #126,765 | 135 | 0.05 | -4 bearers (-2.9%) | Down 10,642 places |
| 2020 | #142,049 | 120 | 0.04 | -15 bearers (-11.1%) | Down 15,284 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 Sipiora 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 | #126,765 | #142,049 | -12.1% |
| Count | 135 | 120 | -11.1% |
| Per 100K | 0.05 | 0.04 | -19.7% |
Between the 2010 and 2020 Census, the number of Sipiora bearers went from 135 to 120 (-11.1% change). The surname moved down 15,284 positions in the national ranking, going from #126,765 to #142,049.
FAQ
Sipiora surname: questions and answers
How many people in the U.S. have the surname Sipiora?
Name Census estimates that about 138 living Americans carry the surname Sipiora. Using the current population baseline, that works out to roughly 1 in 2,483,727 residents.
How common is Sipiora?
Sipiora ranks #142,049 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 120 people with the surname Sipiora. That is different from the site's living-bearer estimate (138), 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 Sipiora.
Has Sipiora become more or less common over time?
Between 2010 and 2020, the surname Sipiora went from 135 recorded bearers to 120. That is a decrease of 15 (-11.1%). In the national ranking it fell from #126,765 to #142,049.
What does the Census say about the background of Sipiora?
Among Census respondents with the surname Sipiora, the largest self-reported group is White at 90.8%. The next largest groups are Two or More Races (5.8%) and Hispanic (2.5%). 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 Sipiora in the 2020 Census, accounting for 90.8% (109 people in the source table).
What is the full ancestry breakdown?
Sipiora appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (90.8%), Two or More Races (5.8%), Hispanic (2.5%). 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 Sipiora (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 Sipiora mean?
A Polish occupational surname derived from the word "sypać" meaning "to pour". 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 Sipiora (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 Sipiora?
See how many people have the surname Sipiora on HowManyOfMe.org, our sister site built around that single question.