2000
#142,819
National surname rank
Recorded bearers 107
First available Census row
Per 100,000 0.04
Very Rare Last name
Kwarciany
A Polish surname derived from the word "kwarc" meaning "quartz," potentially indicating an ancestor's occupation or place of origin related to quartz.
According to the 2020 US Census Bureau surname tables, roughly 118 Americans carry the last name Kwarciany. That puts it at #154,182 in the national surname ranking, appearing at a frequency of 0.03 per 100,000 people (about 1 in 2,904,698 residents).
This page is the full Name Census profile for the Kwarciany 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
118
1 in 2,904,698
Census rank
#154,182
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
103
very rare in the US
Popularity narrative
The Census Bureau recorded 103 bearers of the surname Kwarciany in its 2020 decennial surname file. At a rate of 0.03 per 100,000 residents, it holds the 154182nd position in the national surname ranking.
Among Census respondents with the surname Kwarciany, the largest self-reported group is White at 95.1%. The next largest groups are Hispanic (3.9%) and Two or More Races (1.0%).
Origin
Meaning and origin of Kwarciany
The surname KWARCIANY is of Polish origin, emerging in the late 16th century. It derives from the Polish word "kwarc", meaning "quartz", and the suffix "-any" indicating a connection or association. This suggests the name may have initially referred to someone who worked with quartz or lived near a quartz quarry.
The earliest recorded instance of the name KWARCIANY appears in a 1592 registry of landowners in the village of Zebrzydowice, located in the Silesian region of modern-day southern Poland. The entry lists a Marcin KWARCIANY as the owner of a small plot of farmland.
By the 17th century, the name had spread to other parts of Poland, with records showing a Jakub KWARCIANY born in 1612 in the town of Kalisz, and a Katarzyna KWARCIANY, born in 1628 in the city of Kraków. Both were likely descendants of families involved in mining or quarrying activities.
In the 18th century, a notable figure bearing the KWARCIANY name was Jan KWARCIANY (1732-1804), a respected glassmaker from the town of Sandomierz. His artisanal skills and innovative techniques in glassblowing were widely celebrated, and his works can be found in several museums across Poland.
Another prominent individual was Franciszek KWARCIANY (1786-1872), a Polish military officer who fought in the Napoleonic Wars. He achieved the rank of Major and was awarded the Virtuti Militari, Poland's highest military decoration, for his bravery in the Battle of Leipzig in 1813.
In the 19th century, the KWARCIANY name appeared in various records across the Polish territories, with concentrations in the regions of Silesia, Lesser Poland, and Masovia. One noteworthy individual was Marianna KWARCIANY (1825-1891), a renowned herbalist and midwife from the village of Przytyk, whose knowledge of traditional remedies and healing practices was widely sought after.
As Poland underwent political upheavals and territorial changes throughout its history, the KWARCIANY name also spread to neighboring countries, particularly those with significant Polish minorities, such as Germany, Lithuania, and Ukraine.
Demographics
Ancestry and ethnicity for Kwarciany
Among Census respondents with the surname Kwarciany, the largest self-reported group is White at 95.1%. The next largest groups are Hispanic (3.9%) and Two or More Races (1.0%).
The bar chart below shows how Kwarciany 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 Kwarciany surname at the time of the 2020 Census, not any inherent property of the name itself.
- White95.1% · 98
- Hispanic or Latino3.9% · 4
- Two or more races1.0% · 1
Timeline
Historical Census data for Kwarciany
Kwarciany 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
#145,220
National surname rank
Recorded bearers 114
+7 bearers (+6.5%)
Per 100,000 0.04
Rank movement Down 2,401 places
2020
#154,182
National surname rank
Recorded bearers 103
-11 bearers (-9.6%)
Per 100,000 0.03
Rank movement Down 8,962 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #142,819 | 107 | 0.04 | First available Census row | First available Census row |
| 2010 | #145,220 | 114 | 0.04 | +7 bearers (+6.5%) | Down 2,401 places |
| 2020 | #154,182 | 103 | 0.03 | -11 bearers (-9.6%) | Down 8,962 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 Kwarciany 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 | #145,220 | #154,182 | -6.2% |
| Count | 114 | 103 | -9.6% |
| Per 100K | 0.04 | 0.03 | -13.9% |
Between the 2010 and 2020 Census, the number of Kwarciany bearers went from 114 to 103 (-9.6% change). The surname moved down 8,962 positions in the national ranking, going from #145,220 to #154,182.
FAQ
Kwarciany surname: questions and answers
How many people in the U.S. have the surname Kwarciany?
Name Census estimates that about 118 living Americans carry the surname Kwarciany. Using the current population baseline, that works out to roughly 1 in 2,904,698 residents.
How common is Kwarciany?
Kwarciany ranks #154,182 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.03 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 103 people with the surname Kwarciany. That is different from the site's living-bearer estimate (118), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.03 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.03 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 Kwarciany.
Has Kwarciany become more or less common over time?
Between 2010 and 2020, the surname Kwarciany went from 114 recorded bearers to 103. That is a decrease of 11 (-9.6%). In the national ranking it fell from #145,220 to #154,182.
What does the Census say about the background of Kwarciany?
Among Census respondents with the surname Kwarciany, the largest self-reported group is White at 95.1%. The next largest groups are Hispanic (3.9%) and Two or More Races (1.0%). 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 Kwarciany in the 2020 Census, accounting for 95.1% (98 people in the source table).
What is the full ancestry breakdown?
Kwarciany appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (95.1%), Hispanic (3.9%), Two or More Races (1.0%). 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 Kwarciany (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 Kwarciany mean?
A Polish surname derived from the word "kwarc" meaning "quartz," potentially indicating an ancestor's occupation or place of origin related to quartz. 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 Kwarciany (0.03 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 common is the surname Kwarciany?
Our sister site HowManyOfMe.org answers how many people are called Kwarciany at a glance, with the living-bearer count up front.