2000
#127,186
National surname rank
Recorded bearers 124
First available Census row
Per 100,000 0.05
Very Rare Last name
Smoczynski
Polish surname derived from the word "smok" meaning dragon or serpent.
According to the 2020 US Census Bureau surname tables, roughly 135 Americans carry the last name Smoczynski. That puts it at #143,511 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,538,921 residents).
This page is the full Name Census profile for the Smoczynski 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
135
1 in 2,538,921
Census rank
#143,511
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
118
very rare in the US
Popularity narrative
The Census Bureau recorded 118 bearers of the surname Smoczynski in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 143511th position in the national surname ranking.
Among Census respondents with the surname Smoczynski, the largest self-reported group is White at 94.1%. The next largest groups are Hispanic (3.4%) and Black (0.8%).
Origin
Meaning and origin of Smoczynski
The surname SMOCZYNSKI originates from Poland and its roots can be traced back to the 15th century. It is derived from the Polish word "smoczy," which means "dragon" or "serpent," combined with the suffix "-ński," indicating a place of origin or residence. This suggests that the name may have originated from a place associated with dragons or serpents, possibly a locality with a dragon-like symbol or coat of arms.
One of the earliest known references to the SMOCZYNSKI name can be found in the Metryka Koronna, a collection of Polish state records from the 15th to 18th centuries. The name appears in an entry dated 1492, mentioning a certain Jan SMOCZYNSKI, a landowner from the region of Małopolska (Lesser Poland).
During the 16th century, the SMOCZYNSKI name was prevalent in the areas around the city of Kraków, which was then the capital of Poland. Historical records from this period include mentions of several individuals bearing this surname, such as Andrzej SMOCZYNSKI, a merchant who lived between 1530 and 1596, and Katarzyna SMOCZYNSKA, a noblewoman who owned land near the village of Wawrzeńczyce in the 1570s.
In the 17th century, the SMOCZYNSKI name appeared in various Polish chronicles and manuscripts, including the Akta Grodzkie (District Court Records) and the Księgi Miejskie (Town Books). These records document legal transactions, property ownership, and other affairs involving members of the SMOCZYNSKI family.
One notable figure from this period was Stanisław SMOCZYNSKI, a military commander who fought in the Polish-Swedish wars of the mid-17th century. He was born in 1620 and died in 1683, and his military exploits are mentioned in several contemporary accounts.
Another individual of note was Marcin SMOCZYNSKI, a scholar and poet who lived from 1678 to 1737. He authored several works of literature and was renowned for his contributions to Polish cultural life during the Age of Enlightenment.
In the 19th century, the SMOCZYNSKI name gained prominence with the birth of Franciszek SMOCZYNSKI, a renowned painter and art educator who lived from 1823 to 1898. His works are displayed in various museums and galleries across Poland, and he is considered a influential figure in the development of Polish art education.
Throughout its history, the SMOCZYNSKI surname has been associated with various places in Poland, including the villages of Smocza Góra (Dragon Hill) and Smocza Jama (Dragon's Den), which may have influenced the origin and meaning of the name.
Demographics
Ancestry and ethnicity for Smoczynski
Among Census respondents with the surname Smoczynski, the largest self-reported group is White at 94.1%. The next largest groups are Hispanic (3.4%) and Black (0.8%).
The bar chart below shows how Smoczynski 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 Smoczynski surname at the time of the 2020 Census, not any inherent property of the name itself.
- White94.1% · 111
- Hispanic or Latino3.4% · 4
- Black or African American0.8% · 1
- American Indian and Alaska Native0.8% · 1
- Two or more races0.8% · 1
Timeline
Historical Census data for Smoczynski
Smoczynski 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
#123,796
National surname rank
Recorded bearers 139
+15 bearers (+12.1%)
Per 100,000 0.05
Rank movement Up 3,390 places
2020
#143,511
National surname rank
Recorded bearers 118
-21 bearers (-15.1%)
Per 100,000 0.04
Rank movement Down 19,715 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #127,186 | 124 | 0.05 | First available Census row | First available Census row |
| 2010 | #123,796 | 139 | 0.05 | +15 bearers (+12.1%) | Up 3,390 places |
| 2020 | #143,511 | 118 | 0.04 | -21 bearers (-15.1%) | Down 19,715 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 Smoczynski 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 | #123,796 | #143,511 | -15.9% |
| Count | 139 | 118 | -15.1% |
| Per 100K | 0.05 | 0.04 | -21.0% |
Between the 2010 and 2020 Census, the number of Smoczynski bearers went from 139 to 118 (-15.1% change). The surname moved down 19,715 positions in the national ranking, going from #123,796 to #143,511.
FAQ
Smoczynski surname: questions and answers
How many people in the U.S. have the surname Smoczynski?
Name Census estimates that about 135 living Americans carry the surname Smoczynski. Using the current population baseline, that works out to roughly 1 in 2,538,921 residents.
How common is Smoczynski?
Smoczynski ranks #143,511 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 118 people with the surname Smoczynski. That is different from the site's living-bearer estimate (135), 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 Smoczynski.
Has Smoczynski become more or less common over time?
Between 2010 and 2020, the surname Smoczynski went from 139 recorded bearers to 118. That is a decrease of 21 (-15.1%). In the national ranking it fell from #123,796 to #143,511.
What does the Census say about the background of Smoczynski?
Among Census respondents with the surname Smoczynski, the largest self-reported group is White at 94.1%. The next largest groups are Hispanic (3.4%) and Black (0.8%). 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 Smoczynski in the 2020 Census, accounting for 94.1% (111 people in the source table).
What is the full ancestry breakdown?
Smoczynski appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (94.1%), Hispanic (3.4%), Black (0.8%). 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 Smoczynski (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 Smoczynski mean?
Polish surname derived from the word "smok" meaning dragon or serpent. 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 Smoczynski (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 share the surname Smoczynski?
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.