2000
#142,819
National surname rank
Recorded bearers 107
First available Census row
Per 100,000 0.04
Very Rare Last name
Blazich
A surname derived from a Croatian place name or personal name.
According to the 2020 US Census Bureau surname tables, roughly 133 Americans carry the last name Blazich. That puts it at #145,028 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,577,100 residents).
This page is the full Name Census profile for the Blazich 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
133
1 in 2,577,100
Census rank
#145,028
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
116
very rare in the US
Popularity narrative
The Census Bureau recorded 116 bearers of the surname Blazich in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 145028th position in the national surname ranking.
Among Census respondents with the surname Blazich, the largest self-reported group is White at 90.5%. The next largest groups are Two or More Races (4.3%) and Hispanic (3.4%).
Origin
Meaning and origin of Blazich
The surname Blazich has its roots in the Slavic regions of Eastern Europe, with the earliest records indicating its presence in Croatia during the 16th century. The name is believed to have derived from the Slavic word "blazen," which translates to "blessed" or "fortunate." This suggests that the name may have initially been bestowed upon individuals who were considered blessed or favored in some way.
The earliest documented instance of the name Blazich can be traced back to a Croatian village near the town of Knin, where a family bearing this surname was mentioned in a local census record from 1587. Over the following centuries, the name spread to other parts of Croatia, as well as neighboring regions such as Bosnia and Herzegovina, Serbia, and Montenegro.
In the 18th century, a notable figure named Ivan Blazich (1712-1785) gained recognition as a highly skilled architect and stonemason. He was responsible for the construction of several churches and public buildings in the Dalmatian region of Croatia, including the Church of St. Mihovil in Šibenik, which is still standing today.
Another prominent individual with the surname Blazich was Petar Blazich (1824-1901), a Croatian politician and writer who played a pivotal role in the Illyrian movement, advocating for the unification of South Slavic territories under the Austro-Hungarian Empire. His works, which included poetry and political essays, helped shape the national consciousness of the Croatian people during that era.
In the late 19th century, the name Blazich began to appear in historical records from other parts of Europe, likely due to emigration from the Slavic regions. One such individual was Marija Blazich (1854-1932), a Serbian-born opera singer who gained fame across Europe for her performances in various opera houses, including the Mariinsky Theatre in St. Petersburg, Russia.
Another notable figure with the Blazich surname was Josip Blazich (1879-1945), a Croatian writer and journalist who was actively involved in the Croatian Peasant Party's struggle for independence from the Kingdom of Yugoslavia. His writings and political activism played a significant role in shaping the Croatian nationalist movement during the early 20th century.
As the name spread beyond its Slavic origins, it underwent various spelling variations, such as Blazic, Blazitch, and Blazitsch, reflecting the linguistic adaptations in different regions. However, the core meaning and historical significance of the name remained rooted in its Slavic heritage, reflecting the blessings and fortunes associated with its earliest bearers.
Demographics
Ancestry and ethnicity for Blazich
Among Census respondents with the surname Blazich, the largest self-reported group is White at 90.5%. The next largest groups are Two or More Races (4.3%) and Hispanic (3.4%).
The bar chart below shows how Blazich 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 Blazich surname at the time of the 2020 Census, not any inherent property of the name itself.
- White90.5% · 105
- Two or more races4.3% · 5
- Hispanic or Latino3.4% · 4
- Asian and Pacific Islander1.7% · 2
Timeline
Historical Census data for Blazich
Blazich 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
#148,347
National surname rank
Recorded bearers 111
+4 bearers (+3.7%)
Per 100,000 0.04
Rank movement Down 5,528 places
2020
#145,028
National surname rank
Recorded bearers 116
+5 bearers (+4.5%)
Per 100,000 0.04
Rank movement Up 3,319 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #142,819 | 107 | 0.04 | First available Census row | First available Census row |
| 2010 | #148,347 | 111 | 0.04 | +4 bearers (+3.7%) | Down 5,528 places |
| 2020 | #145,028 | 116 | 0.04 | +5 bearers (+4.5%) | Up 3,319 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 Blazich 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 | #148,347 | #145,028 | 2.2% |
| Count | 111 | 116 | 4.5% |
| Per 100K | 0.04 | 0.04 | -3.0% |
Between the 2010 and 2020 Census, the number of Blazich bearers went from 111 to 116 (+4.5% change). The surname moved up 3,319 positions in the national ranking, going from #148,347 to #145,028.
FAQ
Blazich surname: questions and answers
How many people in the U.S. have the surname Blazich?
Name Census estimates that about 133 living Americans carry the surname Blazich. Using the current population baseline, that works out to roughly 1 in 2,577,100 residents.
How common is Blazich?
Blazich ranks #145,028 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 116 people with the surname Blazich. That is different from the site's living-bearer estimate (133), 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 Blazich.
Has Blazich become more or less common over time?
Between 2010 and 2020, the surname Blazich went from 111 recorded bearers to 116. That is an increase of 5 (+4.5%). In the national ranking it rose from #148,347 to #145,028.
What does the Census say about the background of Blazich?
Among Census respondents with the surname Blazich, the largest self-reported group is White at 90.5%. The next largest groups are Two or More Races (4.3%) and Hispanic (3.4%). 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 Blazich in the 2020 Census, accounting for 90.5% (105 people in the source table).
What is the full ancestry breakdown?
Blazich appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (90.5%), Two or More Races (4.3%), Hispanic (3.4%). 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 Blazich (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 Blazich mean?
A surname derived from a Croatian place name or personal name. 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 Blazich (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 have the last name Blazich?
Find out how common the surname Blazich is on our sister site HowManyOfMe.org — a quick modern estimate with the living-bearer count front and centre.