2010
#153,769
National surname rank
Recorded bearers 106
First available Census row
Per 100,000 0.04
Very Rare Last name
Mlyniec
A surname derived from the Polish word "młyn" meaning "mill" or "miller."
According to the 2020 US Census Bureau surname tables, roughly 134 Americans carry the last name Mlyniec. That puts it at #144,270 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,557,868 residents).
This page is the full Name Census profile for the Mlyniec 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
134
1 in 2,557,868
Census rank
#144,270
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
117
very rare in the US
Popularity narrative
The Census Bureau recorded 117 bearers of the surname Mlyniec in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 144270th position in the national surname ranking.
Among Census respondents with the surname Mlyniec, the largest self-reported group is White at 82.9%. The next largest groups are Hispanic (7.7%) and Two or More Races (4.3%).
Origin
Meaning and origin of Mlyniec
The surname Mlyniec has its origins in Poland, tracing back to the 16th century. It is derived from the Polish word "młyn," meaning "mill," indicating that the name likely originated from an occupation or location associated with a mill.
One of the earliest recorded instances of the surname Mlyniec can be found in the Księgi Metrykalne, a collection of historical parish records from Poland, dating back to the late 16th century. These records often listed individuals with variations of the name, such as Młynarz, Młyniec, or Młynarczyk.
The surname Mlyniec is closely linked to the village of Młyniec in the Świętokrzyskie Voivodeship of central Poland. This village likely took its name from a local mill, and it's possible that the earliest bearers of the Mlyniec surname hailed from this area or had connections to the local milling industry.
In the 17th century, the Mlyniec surname appears in various historical documents, including land ownership records and tax registers. One notable figure from this time period was Jan Mlyniec, a prominent landowner and local official who lived in the Małopolska region of southern Poland in the late 1600s.
The 18th century saw the Mlyniec surname spread throughout different regions of Poland, as families migrated and established themselves in new areas. During this time, the name was also recorded in various forms, such as Mlyniek or Mlyniak, reflecting regional variations in spelling and pronunciation.
One of the most famous individuals with the Mlyniec surname was Andrzej Mlyniec, a Polish composer and organist who lived from 1759 to 1823. He was renowned for his contributions to sacred music and served as the organist at the Wawel Cathedral in Kraków.
Another notable figure was Stanisław Mlyniec, a Polish military officer who fought in the November Uprising against Russian rule in the early 19th century. He was born in 1789 and played a significant role in several battles during the uprising before being captured and exiled to Siberia.
In the late 19th and early 20th centuries, the Mlyniec surname continued to be found throughout Poland, with families often maintaining connections to their ancestral villages or regions. One example is Józef Mlyniec, a Polish writer and journalist who lived from 1865 to 1932 and wrote extensively about life in rural Poland.
While the Mlyniec surname has its roots firmly in Poland, over time, it has also been carried by individuals and families who have migrated to other parts of the world, contributing to the rich tapestry of cultural diversity in various communities.
Demographics
Ancestry and ethnicity for Mlyniec
Among Census respondents with the surname Mlyniec, the largest self-reported group is White at 82.9%. The next largest groups are Hispanic (7.7%) and Two or More Races (4.3%).
The bar chart below shows how Mlyniec 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 Mlyniec surname at the time of the 2020 Census, not any inherent property of the name itself.
- White82.9% · 97
- Hispanic or Latino7.7% · 9
- Two or more races4.3% · 5
- Asian and Pacific Islander3.4% · 4
- Black or African American1.7% · 2
Timeline
Historical Census data for Mlyniec
Mlyniec appears in 2 published Census surname files: 2010, 2020. The cards below show how the name's rank and bearer count changed across each release.
2020
#144,270
National surname rank
Recorded bearers 117
+11 bearers (+10.4%)
Per 100,000 0.04
Rank movement Up 9,499 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #153,769 | 106 | 0.04 | First available Census row | First available Census row |
| 2020 | #144,270 | 117 | 0.04 | +11 bearers (+10.4%) | Up 9,499 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 Mlyniec 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 | #153,769 | #144,270 | 6.2% |
| Count | 106 | 117 | 10.4% |
| Per 100K | 0.04 | 0.04 | -2.1% |
Between the 2010 and 2020 Census, the number of Mlyniec bearers went from 106 to 117 (+10.4% change). The surname moved up 9,499 positions in the national ranking, going from #153,769 to #144,270.
FAQ
Mlyniec surname: questions and answers
How many people in the U.S. have the surname Mlyniec?
Name Census estimates that about 134 living Americans carry the surname Mlyniec. Using the current population baseline, that works out to roughly 1 in 2,557,868 residents.
How common is Mlyniec?
Mlyniec ranks #144,270 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 117 people with the surname Mlyniec. That is different from the site's living-bearer estimate (134), 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 Mlyniec.
Has Mlyniec become more or less common over time?
Between 2010 and 2020, the surname Mlyniec went from 106 recorded bearers to 117. That is an increase of 11 (+10.4%). In the national ranking it rose from #153,769 to #144,270.
What does the Census say about the background of Mlyniec?
Among Census respondents with the surname Mlyniec, the largest self-reported group is White at 82.9%. The next largest groups are Hispanic (7.7%) and Two or More Races (4.3%). 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 Mlyniec in the 2020 Census, accounting for 82.9% (97 people in the source table).
What is the full ancestry breakdown?
Mlyniec appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (82.9%), Hispanic (7.7%), Two or More Races (4.3%). 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 Mlyniec (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 Mlyniec mean?
A surname derived from the Polish word "młyn" meaning "mill" or "miller." 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 Mlyniec (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 are called Mlyniec?
See how many people have the last name Mlyniec on HowManyOfMe.org, our sister site built around that single question.