2000
#142,819
National surname rank
First available Census row
A Polonized form of the Germanic surname meaning "victorious" or "conqueror".
According to the 2020 US Census Bureau surname tables, roughly 123 Americans carry the last name Sierant. That puts it at #151,639 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,786,621 residents).
This page is the full Name Census profile for the Sierant 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
123
1 in 2,786,621
Census rank
#151,639
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
107
very rare in the US
Popularity narrative
The Census Bureau recorded 107 bearers of the surname Sierant in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 151639th position in the national surname ranking.
Among Census respondents with the surname Sierant, the largest self-reported group is White at 88.8%. The next largest groups are Hispanic (5.6%) and Two or More Races (3.7%).
Origin
The surname SIERANT is believed to have originated in Poland, with records dating back to the 16th century. The name is thought to be derived from the Polish word "sierak," which means "orphan" or "foundling." This suggests that the surname may have been given to a child who was orphaned or abandoned at birth.
One of the earliest recorded instances of the SIERANT surname can be found in a registry of baptisms and marriages from the town of Kraków in 1587. The entry lists a man named Jan SIERANT, who was a local farmer.
In the 17th century, the SIERANT name appeared in several historical documents from the Lublin region of eastern Poland. These records included land deeds, tax rolls, and court proceedings, indicating that the SIERANT family had established itself as landowners and members of the local gentry.
During the 18th century, a prominent figure bearing the SIERANT surname was Tomasz SIERANT (1712-1783), a Catholic priest and scholar who authored several religious texts and served as a professor at the University of Kraków.
Another notable individual with the SIERANT name was Józef SIERANT (1826-1891), a Polish writer and poet who was part of the Romantic literary movement. His works often explored themes of patriotism and national identity during a time when Poland was partitioned by foreign powers.
In the 19th century, the SIERANT name was also found in some village records from the Galicia region, which was then part of the Austro-Hungarian Empire. These records mention several families with the SIERANT surname, including farmers, artisans, and small business owners.
One particularly interesting historical reference comes from a military roster from the early 20th century, which lists a soldier named Andrzej SIERANT (1892-1918) who fought for Polish independence during World War I. He was killed in action during the Battle of Lwów in 1918.
While the SIERANT surname is not among the most common in Poland today, it has left a notable mark throughout the country's history, with bearers of the name having contributed to various fields, including religion, literature, and military service.
Demographics
Among Census respondents with the surname Sierant, the largest self-reported group is White at 88.8%. The next largest groups are Hispanic (5.6%) and Two or More Races (3.7%).
The bar chart below shows how Sierant 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 Sierant surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Sierant 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
-5 bearers (-4.7%)
2020
National surname rank
+5 bearers (+4.9%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #142,819 | 107 | 0.04 | First available Census row | First available Census row |
| 2010 | #158,432 | 102 | 0.03 | -5 bearers (-4.7%) | Down 15,613 places |
| 2020 | #151,639 | 107 | 0.04 | +5 bearers (+4.9%) | Up 6,793 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 Sierant 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 | #158,432 | #151,639 | 4.3% |
| Count | 102 | 107 | 4.9% |
| Per 100K | 0.03 | 0.04 | 19.3% |
Between the 2010 and 2020 Census, the number of Sierant bearers went from 102 to 107 (+4.9% change). The surname moved up 6,793 positions in the national ranking, going from #158,432 to #151,639.
FAQ
Name Census estimates that about 123 living Americans carry the surname Sierant. Using the current population baseline, that works out to roughly 1 in 2,786,621 residents.
Sierant ranks #151,639 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 107 people with the surname Sierant. That is different from the site's living-bearer estimate (123), 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 Sierant.
Between 2010 and 2020, the surname Sierant went from 102 recorded bearers to 107. That is an increase of 5 (+4.9%). In the national ranking it rose from #158,432 to #151,639.
Among Census respondents with the surname Sierant, the largest self-reported group is White at 88.8%. The next largest groups are Hispanic (5.6%) and Two or More Races (3.7%). 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 Sierant in the 2020 Census, accounting for 88.8% (95 people in the source table).
Sierant appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (88.8%), Hispanic (5.6%), Two or More Races (3.7%). 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 Sierant (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.
A Polonized form of the Germanic surname meaning "victorious" or "conqueror". 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 Sierant (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.
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.