2000
#125,639
National surname rank
First available Census row
A surname originating from Poland or surrounding regions, possibly denoting a village name or landowner.
According to the 2020 US Census Bureau surname tables, roughly 135 Americans carry the last name Wlaschin. 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 Wlaschin 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 Wlaschin 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 Wlaschin, the largest self-reported group is White at 100.0%.
Origin
The surname Wlaschin traces its origins to Eastern Europe, likely Poland or the surrounding regions, where Slavic languages are predominant. The name dates back several centuries, rooted in the rich tapestry of Slavic linguistic tradition. Wlaschin is derived from the Polish name Właszcz, which itself is a diminutive or diminutive form of names starting with Wład, such as Władysław. These are names which have their roots in Slavic words like "vlad" meaning "to rule" and "slav," which is often interpreted as "glory."
It is in medieval records that we see the early mentions of this surname. The name Wlaschin appears in an old manuscript from the 14th century, referring to a noble family in what is now southern Poland. This noble lineage suggests that the Wlaschin family wielded some level of influence or held land during that period. In 1372, a document mentions a Jan Wlaschin who was a local landholder in the Kraków region. His contributions to his community are noted in administrative records of the time.
Another historical reference can be found in the 15th-century codex of Silesian nobility, where a Tomasz Wlaschin is recorded as serving in the court of a local duke circa 1428. His role as a counsel to the duke is documented, indicating the respect and prominence that the name held in the regional governance structures of the time.
In the early 16th century, the name takes on different variations as spellings began to etch out due to dialectical influences. Wlaschin became Właszczyn, which is believed to be a more phonetic spelling reflecting the local vernacular. From this period, historical records show a Zofia Właszczyn, born in 1503, who was recognized for her philanthropic work in the town of Wrocław, providing aid to those affected by the plague. Her efforts were commemorated in a local chronicle published in 1547.
Another notable bearer of the surname was Piotr Wlaschin, a prominent Jesuit scholar born in 1610. His academic career spanned across several European universities, contributing to theological discussions and publishing several treatises on the intersection of faith and reason. Piotr's intellectual legacy was acknowledged in manuscripts preserved in the archives of the University of Kraków.
Moving to the 18th century, the name surfaces again in military records. Józef Wlaschin, born in 1745, served as an officer in the army of the Polish–Lithuanian Commonwealth. He is noted for his participation in the Bar Confederation, an insurrection aimed at preserving Polish independence against Russian influence. Józef’s valor was mentioned in dispatches and military communications from the period.
The surname Wlaschin, with its deep-rooted history and variations, reflects a journey through different epochs, marked by landownership, scholarly achievements, and acts of valor. Each bearer has added a unique chapter to the rich tapestry of the name, making Wlaschin a surname with a storied past intricately woven into the fabric of Eastern European history.
Demographics
Among Census respondents with the surname Wlaschin, the largest self-reported group is White at 100.0%.
The bar chart below shows how Wlaschin 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 Wlaschin surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Wlaschin 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.
2000
National surname rank
First available Census row
2010
National surname rank
+7 bearers (+5.6%)
2020
National surname rank
-15 bearers (-11.3%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #125,639 | 126 | 0.05 | First available Census row | First available Census row |
| 2010 | #128,249 | 133 | 0.05 | +7 bearers (+5.6%) | Down 2,610 places |
| 2020 | #143,511 | 118 | 0.04 | -15 bearers (-11.3%) | Down 15,262 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 Wlaschin 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 | #128,249 | #143,511 | -11.9% |
| Count | 133 | 118 | -11.3% |
| Per 100K | 0.05 | 0.04 | -21.0% |
Between the 2010 and 2020 Census, the number of Wlaschin bearers went from 133 to 118 (-11.3% change). The surname moved down 15,262 positions in the national ranking, going from #128,249 to #143,511.
FAQ
Name Census estimates that about 135 living Americans carry the surname Wlaschin. Using the current population baseline, that works out to roughly 1 in 2,538,921 residents.
Wlaschin 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.
The raw 2020 Census file counted 118 people with the surname Wlaschin. 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.
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 Wlaschin.
Between 2010 and 2020, the surname Wlaschin went from 133 recorded bearers to 118. That is a decrease of 15 (-11.3%). In the national ranking it fell from #128,249 to #143,511.
Among Census respondents with the surname Wlaschin, the largest self-reported group is White at 100.0%. 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 Wlaschin in the 2020 Census, accounting for 100.0% (118 people in the source table).
Wlaschin appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (100.0%). 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.
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 Wlaschin (2000, 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 surname originating from Poland or surrounding regions, possibly denoting a village name or landowner. 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 Wlaschin (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.
See how many Americans have the surname Wlaschin on HowManyOfMe.org, our sister site built around that single question.