2000
#118,954
National surname rank
First available Census row
A Polish surname derived from Lukasz, itself from the Latin name Lucas.
According to the 2020 US Census Bureau surname tables, roughly 124 Americans carry the last name Lukasiak. That puts it at #150,935 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,764,148 residents).
This page is the full Name Census profile for the Lukasiak 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
124
1 in 2,764,148
Census rank
#150,935
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
108
very rare in the US
Popularity narrative
The Census Bureau recorded 108 bearers of the surname Lukasiak in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 150935th position in the national surname ranking.
Among Census respondents with the surname Lukasiak, the largest self-reported group is White at 93.5%. The next largest groups are Hispanic (5.6%) and Asian/Pacific Islander (0.9%).
Origin
The surname Lukasiak has its origins in Poland, dating back to the Middle Ages. It is a Polish patronymic surname derived from the personal name Lukasz, which is the Polish form of the biblical name Lucas or Luke.
The name Lukasz itself is derived from the Latin name Lucanus, meaning "from Lucania," a region in southern Italy. It is believed that the name Lukasiak initially emerged in the regions of Silesia and Lesser Poland, where it was commonly used to identify individuals as the sons or descendants of someone named Lukasz.
One of the earliest recorded instances of the name Lukasiak can be found in historical records from the 14th century, where it appears in various documents and manuscripts from Polish cities and towns. The name was also present in the Akta Metrykalne, a collection of vital records from the Polish-Lithuanian Commonwealth.
In the 16th century, the Lukasiak surname gained prominence when Piotr Lukasiak (1519-1587), a prominent Polish painter and illustrator, became known for his religious works and illuminated manuscripts. His artistic contributions helped establish the Lukasiak name in the cultural landscape of Renaissance Poland.
During the 17th century, Jan Lukasiak (1635-1701) was a notable Polish military commander who fought in the Polish-Swedish wars. His bravery and strategic leadership earned him recognition and cemented the Lukasiak name in the annals of Polish military history.
In the 19th century, the Lukasiak surname gained literary significance with the works of Józef Lukasiak (1818-1892), a Polish novelist and playwright. His novels and plays often explored themes of social injustice and the struggles of the Polish people under foreign rule, solidifying his place in Poland's literary canon.
Another notable figure was Maria Lukasiak (1874-1942), a Polish educator and advocate for women's rights. She founded several schools and organizations dedicated to promoting education and empowerment for women in Poland, leaving a lasting impact on the country's educational and social landscape.
Over the centuries, the Lukasiak surname has been associated with various place names and localities within Poland, such as Lukaszowice, Lukaszów, and Lukaszowka, reflecting the widespread presence of individuals bearing this name throughout the country.
Demographics
Among Census respondents with the surname Lukasiak, the largest self-reported group is White at 93.5%. The next largest groups are Hispanic (5.6%) and Asian/Pacific Islander (0.9%).
The bar chart below shows how Lukasiak 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 Lukasiak surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Lukasiak 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
-16 bearers (-11.9%)
2020
National surname rank
-11 bearers (-9.2%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #118,954 | 135 | 0.05 | First available Census row | First available Census row |
| 2010 | #140,157 | 119 | 0.04 | -16 bearers (-11.9%) | Down 21,203 places |
| 2020 | #150,935 | 108 | 0.04 | -11 bearers (-9.2%) | Down 10,778 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 Lukasiak 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 | #140,157 | #150,935 | -7.7% |
| Count | 119 | 108 | -9.2% |
| Per 100K | 0.04 | 0.04 | -9.7% |
Between the 2010 and 2020 Census, the number of Lukasiak bearers went from 119 to 108 (-9.2% change). The surname moved down 10,778 positions in the national ranking, going from #140,157 to #150,935.
FAQ
Name Census estimates that about 124 living Americans carry the surname Lukasiak. Using the current population baseline, that works out to roughly 1 in 2,764,148 residents.
Lukasiak ranks #150,935 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 108 people with the surname Lukasiak. That is different from the site's living-bearer estimate (124), 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 Lukasiak.
Between 2010 and 2020, the surname Lukasiak went from 119 recorded bearers to 108. That is a decrease of 11 (-9.2%). In the national ranking it fell from #140,157 to #150,935.
Among Census respondents with the surname Lukasiak, the largest self-reported group is White at 93.5%. The next largest groups are Hispanic (5.6%) and Asian/Pacific Islander (0.9%). 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 Lukasiak in the 2020 Census, accounting for 93.5% (101 people in the source table).
Lukasiak appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (93.5%), Hispanic (5.6%), Asian/Pacific Islander (0.9%). 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 Lukasiak (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 Polish surname derived from Lukasz, itself from the Latin name Lucas. 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 Lukasiak (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.
You can see how common the surname Lukasiak is on our sister site HowManyOfMe.org — same data roots, lighter UI.