2000
#147,095
National surname rank
Recorded bearers 103
First available Census row
Per 100,000 0.04
Very Rare Last name
Blazick
Likely a variant spelling of a Slavic surname referring to someone who lived or hailed from a marshy area.
According to the 2020 US Census Bureau surname tables, roughly 123 Americans carry the last name Blazick. That puts it at #151,639 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,786,621 residents).
This page is the full Name Census profile for the Blazick 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
123
1 in 2,786,621
Census rank
#151,639
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
107
very rare in the US
Popularity narrative
The Census Bureau recorded 107 bearers of the surname Blazick in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 151639th position in the national surname ranking.
Among Census respondents with the surname Blazick, the largest self-reported group is White at 88.8%. The next largest groups are Hispanic (8.4%) and Black (1.9%).
Origin
Meaning and origin of Blazick
The surname Blazick originates from the Czech Republic, dating back to the 16th century. It is believed to be derived from the Czech word "blažiti," meaning "to make happy" or "to bless." This suggests that the name may have initially referred to a person with a cheerful or joyful disposition.
The earliest recorded instances of the name Blazick can be found in the historical records of the small village of Blatnice in the Zlín Region of the Czech Republic. It is speculated that the name may have been associated with a particular family or lineage within this area.
One of the earliest known mentions of the Blazick name appears in a church registry from the village of Blatnice, dated 1587, which lists the baptism of a child named Jan Blazick. This record provides evidence of the name's existence and usage during the late 16th century.
In the 17th century, a prominent figure bearing the Blazick surname was Karel Blazick, a respected scholar and theologian born in 1652 in the town of Velké Meziříčí. Karel Blazick was known for his contributions to the study of ecclesiastical law and his writings on religious doctrine.
Another notable individual with the Blazick surname was Václav Blazick, a military officer who served in the Austrian army during the Napoleonic Wars. Born in 1778 in the town of Třebíč, Václav Blazick distinguished himself in several battles against the French forces and was awarded various military honors for his bravery and leadership.
During the 19th century, the Blazick name gained recognition through the work of Antonín Blazick, a renowned painter and artist from the city of Brno. Born in 1825, Antonín Blazick's masterful landscapes and portraitures were widely celebrated, and his works can be found in several art galleries and museums across the Czech Republic.
While the Blazick surname has its roots in the Czech Republic, it has since spread to other parts of the world due to immigration. However, records and historical accounts of the name's origins and early bearers remain largely concentrated in the Czech lands.
Demographics
Ancestry and ethnicity for Blazick
Among Census respondents with the surname Blazick, the largest self-reported group is White at 88.8%. The next largest groups are Hispanic (8.4%) and Black (1.9%).
The bar chart below shows how Blazick 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 Blazick surname at the time of the 2020 Census, not any inherent property of the name itself.
- White88.8% · 95
- Hispanic or Latino8.4% · 9
- Black or African American1.9% · 2
- American Indian and Alaska Native0.9% · 1
Timeline
Historical Census data for Blazick
Blazick 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
#147,253
National surname rank
Recorded bearers 112
+9 bearers (+8.7%)
Per 100,000 0.04
Rank movement Down 158 places
2020
#151,639
National surname rank
Recorded bearers 107
-5 bearers (-4.5%)
Per 100,000 0.04
Rank movement Down 4,386 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #147,095 | 103 | 0.04 | First available Census row | First available Census row |
| 2010 | #147,253 | 112 | 0.04 | +9 bearers (+8.7%) | Down 158 places |
| 2020 | #151,639 | 107 | 0.04 | -5 bearers (-4.5%) | Down 4,386 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 Blazick 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 | #147,253 | #151,639 | -3.0% |
| Count | 112 | 107 | -4.5% |
| Per 100K | 0.04 | 0.04 | -10.5% |
Between the 2010 and 2020 Census, the number of Blazick bearers went from 112 to 107 (-4.5% change). The surname moved down 4,386 positions in the national ranking, going from #147,253 to #151,639.
FAQ
Blazick surname: questions and answers
How many people in the U.S. have the surname Blazick?
Name Census estimates that about 123 living Americans carry the surname Blazick. Using the current population baseline, that works out to roughly 1 in 2,786,621 residents.
How common is Blazick?
Blazick ranks #151,639 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 107 people with the surname Blazick. That is different from the site's living-bearer estimate (123), 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 Blazick.
Has Blazick become more or less common over time?
Between 2010 and 2020, the surname Blazick went from 112 recorded bearers to 107. That is a decrease of 5 (-4.5%). In the national ranking it fell from #147,253 to #151,639.
What does the Census say about the background of Blazick?
Among Census respondents with the surname Blazick, the largest self-reported group is White at 88.8%. The next largest groups are Hispanic (8.4%) and Black (1.9%). 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 Blazick in the 2020 Census, accounting for 88.8% (95 people in the source table).
What is the full ancestry breakdown?
Blazick appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (88.8%), Hispanic (8.4%), Black (1.9%). 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.
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 Blazick (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 Blazick mean?
Likely a variant spelling of a Slavic surname referring to someone who lived or hailed from a marshy area. 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 Blazick (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 Americans have the surname Blazick?
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.