2000
#120,330
National surname rank
Recorded bearers 133
First available Census row
Per 100,000 0.05
Very Rare Last name
Kucinskas
A surname of Lithuanian origin, possibly relating to a small or diminutive person.
According to the 2020 US Census Bureau surname tables, roughly 130 Americans carry the last name Kucinskas. That puts it at #147,221 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,636,572 residents).
This page is the full Name Census profile for the Kucinskas 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
130
1 in 2,636,572
Census rank
#147,221
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
113
very rare in the US
Popularity narrative
The Census Bureau recorded 113 bearers of the surname Kucinskas in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 147221st position in the national surname ranking.
Among Census respondents with the surname Kucinskas, the largest self-reported group is White at 89.4%. The next largest groups are Hispanic (6.2%) and Two or More Races (3.5%).
Origin
Meaning and origin of Kucinskas
The surname KUCINSKAS is of Lithuanian origin, tracing its roots back to the 16th century. It is derived from the Lithuanian word "kuczius," which means "hunchback" or "one with a hump." This suggests that the name was likely given as a descriptive nickname to someone with a physical characteristic resembling a hunch or hump.
The earliest recorded instances of the name KUCINSKAS can be found in various Lithuanian parish records and census documents from the late 16th and early 17th centuries. These records often provide insights into the regions where the name was most prevalent, including areas around the cities of Kaunas, Vilnius, and Panevėžys.
One notable early bearer of the KUCINSKAS name was Jonas Kucinskas, a Lithuanian farmer and landowner who lived in the village of Ukmerge in the late 17th century. Historical records indicate that he played a significant role in the local community and was respected for his agricultural expertise.
In the 18th century, the KUCINSKAS name began to appear more frequently in various Lithuanian historical documents and manuscripts. One such example is the mention of Antanas Kucinskas, a merchant and trader who lived in the city of Kaunas during the mid-1700s. He was known for his successful business ventures and contributed to the economic growth of the region.
The 19th century saw the emergence of several prominent figures with the KUCINSKAS surname. One of the most notable was Juozas Kucinskas, a Lithuanian writer and poet who was born in 1823 and died in 1897. He was renowned for his works that celebrated Lithuanian culture and heritage, and his poems were widely read and appreciated during his lifetime.
Another significant figure from this period was Ona Kucinskaite, a Lithuanian educator and advocate for women's rights. Born in 1845, she dedicated her life to promoting education and empowerment for women in Lithuania, and her efforts paved the way for future generations of female leaders and activists.
In the 20th century, the KUCINSKAS name continued to be associated with notable individuals, including Vytautas Kucinskas, a Lithuanian diplomat and politician who played a crucial role in Lithuania's struggle for independence from the Soviet Union. He served as the country's foreign minister in the early 1990s and was instrumental in establishing Lithuania's diplomatic relations with other nations.
While the KUCINSKAS surname has its origins in Lithuania, it has since spread to other parts of the world due to migration and diaspora communities. However, its historical significance and connection to Lithuanian heritage remain deeply rooted in its etymology and the lives of those who have carried this surname throughout the centuries.
Demographics
Ancestry and ethnicity for Kucinskas
Among Census respondents with the surname Kucinskas, the largest self-reported group is White at 89.4%. The next largest groups are Hispanic (6.2%) and Two or More Races (3.5%).
The bar chart below shows how Kucinskas 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 Kucinskas surname at the time of the 2020 Census, not any inherent property of the name itself.
- White89.4% · 101
- Hispanic or Latino6.2% · 7
- Two or more races3.5% · 4
- Asian and Pacific Islander0.9% · 1
Timeline
Historical Census data for Kucinskas
Kucinskas 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
#159,712
National surname rank
Recorded bearers 101
-32 bearers (-24.1%)
Per 100,000 0.03
Rank movement Down 39,382 places
2020
#147,221
National surname rank
Recorded bearers 113
+12 bearers (+11.9%)
Per 100,000 0.04
Rank movement Up 12,491 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #120,330 | 133 | 0.05 | First available Census row | First available Census row |
| 2010 | #159,712 | 101 | 0.03 | -32 bearers (-24.1%) | Down 39,382 places |
| 2020 | #147,221 | 113 | 0.04 | +12 bearers (+11.9%) | Up 12,491 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 Kucinskas 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 | #159,712 | #147,221 | 7.8% |
| Count | 101 | 113 | 11.9% |
| Per 100K | 0.03 | 0.04 | 26.0% |
Between the 2010 and 2020 Census, the number of Kucinskas bearers went from 101 to 113 (+11.9% change). The surname moved up 12,491 positions in the national ranking, going from #159,712 to #147,221.
FAQ
Kucinskas surname: questions and answers
How many people in the U.S. have the surname Kucinskas?
Name Census estimates that about 130 living Americans carry the surname Kucinskas. Using the current population baseline, that works out to roughly 1 in 2,636,572 residents.
How common is Kucinskas?
Kucinskas ranks #147,221 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 113 people with the surname Kucinskas. That is different from the site's living-bearer estimate (130), 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 Kucinskas.
Has Kucinskas become more or less common over time?
Between 2010 and 2020, the surname Kucinskas went from 101 recorded bearers to 113. That is an increase of 12 (+11.9%). In the national ranking it rose from #159,712 to #147,221.
What does the Census say about the background of Kucinskas?
Among Census respondents with the surname Kucinskas, the largest self-reported group is White at 89.4%. The next largest groups are Hispanic (6.2%) and Two or More Races (3.5%). 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 Kucinskas in the 2020 Census, accounting for 89.4% (101 people in the source table).
What is the full ancestry breakdown?
Kucinskas appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (89.4%), Hispanic (6.2%), Two or More Races (3.5%). 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.
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 Kucinskas (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 Kucinskas mean?
A surname of Lithuanian origin, possibly relating to a small or diminutive person. 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 Kucinskas (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 share the surname Kucinskas?
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.