2000
#117,538
National surname rank
Recorded bearers 137
First available Census row
Per 100,000 0.05
Very Rare Last name
Maruszewski
A Polish surname derived from the given name Mariusz, which is the Polish form of Marius.
According to the 2020 US Census Bureau surname tables, roughly 135 Americans carry the last name Maruszewski. 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 Maruszewski 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 Maruszewski 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 Maruszewski, the largest self-reported group is White at 92.4%. The next largest groups are Two or More Races (4.2%) and Black (1.7%).
Origin
Meaning and origin of Maruszewski
The surname Maruszewski originated in Poland, where it first appeared in the late 16th century. It is derived from the Polish words "marus" meaning "moor" or "dark-skinned person" and the suffix "-ewski" which indicates a place of origin or association. This suggests that the name may have originally referred to someone who came from a place associated with Moors or dark-skinned people.
One of the earliest recorded instances of the Maruszewski name can be found in the parish records of the village of Strzyzew, near Kalisz, in the year 1598. The name is also mentioned in the 17th century municipal records of the city of Poznan, where a certain Jan Maruszewski is listed as a merchant and landowner.
During the Polish-Lithuanian Commonwealth, the Maruszewski family rose to prominence, with several members holding important positions in the military and government. Notably, Andrzej Maruszewski (1598-1667) served as a colonel in the Polish army and participated in the Smolensk War against Russia.
Another notable bearer of the Maruszewski name was Kazimierz Maruszewski (1722-1789), a Polish nobleman and politician who served as a deputy to the Sejm, the Polish parliament, in the late 18th century.
In the 19th century, the Maruszewski family continued to play a role in Polish society. Feliks Maruszewski (1812-1877) was a writer and journalist who contributed to several influential Polish publications of the time.
During the 20th century, the Maruszewski name gained international recognition through the work of Roman Maruszewski (1923-2001), a renowned Polish mathematician and logician who made significant contributions to the field of set theory.
Other notable individuals with the Maruszewski surname include Władysław Maruszewski (1868-1936), a Polish artist and painter known for his landscapes and portraits, and Stanisław Maruszewski (1904-1985), a Polish engineer and inventor who held several patents in the field of mechanical engineering.
Demographics
Ancestry and ethnicity for Maruszewski
Among Census respondents with the surname Maruszewski, the largest self-reported group is White at 92.4%. The next largest groups are Two or More Races (4.2%) and Black (1.7%).
The bar chart below shows how Maruszewski 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 Maruszewski surname at the time of the 2020 Census, not any inherent property of the name itself.
- White92.4% · 109
- Two or more races4.2% · 5
- Black or African American1.7% · 2
- Asian and Pacific Islander1.7% · 2
Timeline
Historical Census data for Maruszewski
Maruszewski 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
#127,494
National surname rank
Recorded bearers 134
-3 bearers (-2.2%)
Per 100,000 0.05
Rank movement Down 9,956 places
2020
#143,511
National surname rank
Recorded bearers 118
-16 bearers (-11.9%)
Per 100,000 0.04
Rank movement Down 16,017 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #117,538 | 137 | 0.05 | First available Census row | First available Census row |
| 2010 | #127,494 | 134 | 0.05 | -3 bearers (-2.2%) | Down 9,956 places |
| 2020 | #143,511 | 118 | 0.04 | -16 bearers (-11.9%) | Down 16,017 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 Maruszewski 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 | #127,494 | #143,511 | -12.6% |
| Count | 134 | 118 | -11.9% |
| Per 100K | 0.05 | 0.04 | -21.0% |
Between the 2010 and 2020 Census, the number of Maruszewski bearers went from 134 to 118 (-11.9% change). The surname moved down 16,017 positions in the national ranking, going from #127,494 to #143,511.
FAQ
Maruszewski surname: questions and answers
How many people in the U.S. have the surname Maruszewski?
Name Census estimates that about 135 living Americans carry the surname Maruszewski. Using the current population baseline, that works out to roughly 1 in 2,538,921 residents.
How common is Maruszewski?
Maruszewski 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 Maruszewski. 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 Maruszewski.
Has Maruszewski become more or less common over time?
Between 2010 and 2020, the surname Maruszewski went from 134 recorded bearers to 118. That is a decrease of 16 (-11.9%). In the national ranking it fell from #127,494 to #143,511.
What does the Census say about the background of Maruszewski?
Among Census respondents with the surname Maruszewski, the largest self-reported group is White at 92.4%. The next largest groups are Two or More Races (4.2%) and Black (1.7%). 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 Maruszewski in the 2020 Census, accounting for 92.4% (109 people in the source table).
What is the full ancestry breakdown?
Maruszewski appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (92.4%), Two or More Races (4.2%), Black (1.7%). 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.
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 Maruszewski (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 Maruszewski mean?
A Polish surname derived from the given name Mariusz, which is the Polish form of Marius. 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 Maruszewski (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 common is the surname Maruszewski?
Find out how many Americans have the surname Maruszewski on our sister site HowManyOfMe.org — a quick modern estimate with the living-bearer count front and centre.