2010
#157,234
National surname rank
First available Census row
A surname originating from the Czech language, potentially derived from occupational or locational roots.
According to the 2020 US Census Bureau surname tables, roughly 128 Americans carry the last name Najvar. That puts it at #147,954 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,677,768 residents).
This page is the full Name Census profile for the Najvar 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
128
1 in 2,677,768
Census rank
#147,954
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
112
very rare in the US
Popularity narrative
The Census Bureau recorded 112 bearers of the surname Najvar in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 147954th position in the national surname ranking.
Among Census respondents with the surname Najvar, the largest self-reported group is White at 95.5%. The next largest groups are Hispanic (4.5%).
Origin
The surname Najvar has its origins in the Czech Republic, with its earliest recorded instances dating back to the late 15th century. It is believed to be derived from the Old Czech word "naha," meaning "naked," and the suffix "-var," indicating a person or occupation. This suggests that the name may have initially referred to a person involved in the production or trade of textiles or clothing.
One of the earliest known records of the name Najvar can be found in the municipal archives of the town of Litomyšl, where a certain Jan Najvar is mentioned in a document from 1487. This document details the transfer of a plot of land within the town's boundaries.
In the 16th century, the name appears in various church records and land registries throughout Bohemia and Moravia, indicating that the Najvar family had established itself in different regions of the Czech lands during this period.
A notable figure bearing the Najvar surname was Václav Najvar, a respected scholar and theologian who lived in the early 17th century. Born in 1582 in the town of Žatec, Václav Najvar authored several treatises on religious doctrine and was a vocal proponent of the Hussite reforms.
The village of Najvary, located in the present-day Hradec Králové Region, is believed to have derived its name from the Najvar family, who may have been among the original settlers or landowners in the area. This connection to a place name further solidifies the historical significance of the surname.
Another individual of note was Jan Najvar, a prominent merchant and landowner who lived in the late 17th century. He is recorded as having owned several properties in the town of Kolín and its surrounding areas, indicating the family's growing wealth and influence during this period.
As the centuries progressed, the Najvar surname continued to appear in various historical records across the Czech lands, with variations in spelling such as Najwara, Nayvara, and Naiwara occasionally appearing. However, the core form of the name remained relatively unchanged.
Among the more recent historical figures bearing the Najvar surname was Josef Najvar, a respected architect and urban planner who lived from 1854 to 1920. He was responsible for the design and construction of several notable buildings and public spaces in Prague and other cities throughout the Czech Republic.
Overall, the surname Najvar has a rich history deeply rooted in the Czech lands, with its origins dating back to the late medieval period. Its etymology and historical significance are closely tied to the regions of Bohemia and Moravia, where the name has been documented for centuries.
Demographics
Among Census respondents with the surname Najvar, the largest self-reported group is White at 95.5%. The next largest groups are Hispanic (4.5%).
The bar chart below shows how Najvar 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 Najvar surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Najvar 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
+9 bearers (+8.7%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #157,234 | 103 | 0.03 | First available Census row | First available Census row |
| 2020 | #147,954 | 112 | 0.04 | +9 bearers (+8.7%) | Up 9,280 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 Najvar 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 | #157,234 | #147,954 | 5.9% |
| Count | 103 | 112 | 8.7% |
| Per 100K | 0.03 | 0.04 | 24.9% |
Between the 2010 and 2020 Census, the number of Najvar bearers went from 103 to 112 (+8.7% change). The surname moved up 9,280 positions in the national ranking, going from #157,234 to #147,954.
FAQ
Name Census estimates that about 128 living Americans carry the surname Najvar. Using the current population baseline, that works out to roughly 1 in 2,677,768 residents.
Najvar ranks #147,954 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 112 people with the surname Najvar. That is different from the site's living-bearer estimate (128), 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 Najvar.
Between 2010 and 2020, the surname Najvar went from 103 recorded bearers to 112. That is an increase of 9 (+8.7%). In the national ranking it rose from #157,234 to #147,954.
Among Census respondents with the surname Najvar, the largest self-reported group is White at 95.5%. The next largest groups are Hispanic (4.5%). 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 Najvar in the 2020 Census, accounting for 95.5% (107 people in the source table).
Najvar appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (95.5%), Hispanic (4.5%). 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 Najvar (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 the Czech language, potentially derived from occupational or locational roots. 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 Najvar (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 quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.