2010
#159,712
National surname rank
First available Census row
A Polish surname potentially derived from the word "baba," meaning an elderly woman or grandmother.
According to the 2020 US Census Bureau surname tables, roughly 127 Americans carry the last name Babiasz. That puts it at #148,665 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,698,853 residents).
This page is the full Name Census profile for the Babiasz 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
127
1 in 2,698,853
Census rank
#148,665
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
111
very rare in the US
Popularity narrative
The Census Bureau recorded 111 bearers of the surname Babiasz in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 148665th position in the national surname ranking.
Among Census respondents with the surname Babiasz, the largest self-reported group is White at 96.4%. The next largest groups are Hispanic (1.8%) and Asian/Pacific Islander (1.8%).
Origin
The surname Babiasz originated in Poland, with its roots dating back to the 12th century. This name is derived from the Polish word "baba," which means "old woman" or "grandmother." It was likely initially used as a nickname or descriptive term for someone who lived with or was cared for by their grandmother.
One of the earliest recorded instances of the name Babiasz can be found in a 14th-century Polish manuscript, where it appears as "Babiasz de Krakow," referring to someone from the city of Krakow. This suggests that the name had already gained some prominence by that time.
During the Middle Ages, the name Babiasz was most commonly found in the regions of Lesser Poland and Silesia, which were part of the Kingdom of Poland at that time. Some variations of the spelling included Babias, Babiasch, and Babiascz, reflecting regional dialects and phonetic differences.
In the 16th century, a notable figure bearing the name Babiasz was Jan Babiasz, a Polish mathematician and astronomer who contributed to the development of the Gregorian calendar reform. He was born in 1530 in the town of Leżajsk and died in 1592.
Another prominent individual with this surname was Stanisław Babiasz, a Polish military officer who fought in the Napoleonic Wars. He was born in 1784 in the village of Kłobuck and served as a cavalry commander during the Polish-Russian War of 1812.
In the 19th century, the name Babiasz was associated with several notable writers and poets. One such figure was Franciszek Babiasz, a Polish poet and translator who lived from 1823 to 1891. He was known for his translations of works by Johann Wolfgang von Goethe and Lord Byron.
Another literary figure with this surname was Bronisława Babiasz, a Polish novelist and short story writer who lived from 1858 to 1937. She is best known for her novels depicting the lives of Polish gentry and the struggles of women in a patriarchal society.
The name Babiasz has also been associated with certain geographic locations in Poland. For instance, there is a village called Babiaż in the Opole Voivodeship, which may have derived its name from the surname or vice versa.
Demographics
Among Census respondents with the surname Babiasz, the largest self-reported group is White at 96.4%. The next largest groups are Hispanic (1.8%) and Asian/Pacific Islander (1.8%).
The bar chart below shows how Babiasz 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 Babiasz surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Babiasz 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.
2010
National surname rank
First available Census row
2020
National surname rank
+10 bearers (+9.9%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #159,712 | 101 | 0.03 | First available Census row | First available Census row |
| 2020 | #148,665 | 111 | 0.04 | +10 bearers (+9.9%) | Up 11,047 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 Babiasz 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 | #159,712 | #148,665 | 6.9% |
| Count | 101 | 111 | 9.9% |
| Per 100K | 0.03 | 0.04 | 23.8% |
Between the 2010 and 2020 Census, the number of Babiasz bearers went from 101 to 111 (+9.9% change). The surname moved up 11,047 positions in the national ranking, going from #159,712 to #148,665.
FAQ
Name Census estimates that about 127 living Americans carry the surname Babiasz. Using the current population baseline, that works out to roughly 1 in 2,698,853 residents.
Babiasz ranks #148,665 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 111 people with the surname Babiasz. That is different from the site's living-bearer estimate (127), 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 Babiasz.
Between 2010 and 2020, the surname Babiasz went from 101 recorded bearers to 111. That is an increase of 10 (+9.9%). In the national ranking it rose from #159,712 to #148,665.
Among Census respondents with the surname Babiasz, the largest self-reported group is White at 96.4%. The next largest groups are Hispanic (1.8%) and Asian/Pacific Islander (1.8%). 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 Babiasz in the 2020 Census, accounting for 96.4% (107 people in the source table).
Babiasz appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (96.4%), Hispanic (1.8%), Asian/Pacific Islander (1.8%). 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.
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 Babiasz (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 Polish surname potentially derived from the word "baba," meaning an elderly woman or grandmother. 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 Babiasz (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 faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.