Find out how popular the last name Janáček is in the United States and learn more about the meaning, history, and race and ethnic origin of people in America who are named Janáček.

Janáček, like all of the last names we have data for, is identified by the U.S. Census Bureau as a surname which has more than 100 occurrences in the United States in the Decennial Census survey. The most recent statistics we have for the Janáček surname is from the 2010 census data.

Popularity of Janáček in America

Janáček is the 55255th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Janáček surname appeared 372 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 0 people would have the surname Janáček.

We can also compare 2010 data for Janáček to data from the previous census in 2000. The table below contains all of the statistics for both years in a side-by-side comparison.

The history of the last name Janáček

The surname Janacek has its origins in the Czech Republic, tracing back to the 14th century. It is believed to have derived from the Old Czech word "janač," which means "son of Jan" or "descendant of Jan." Jan was a common given name in the region during that time.

The name was initially concentrated in the regions of Bohemia and Moravia, where it was first recorded in various medieval documents and records. One of the earliest known references to the name can be found in the Codex Diplomaticus et Epistolaris Regni Bohemiae, a collection of historical documents from the Kingdom of Bohemia, dating back to the late 13th century.

In the 15th century, the name appeared in the records of the town of Janovice, which was known for its prominent families bearing the Janacek surname. One notable figure from this era was Václav Janacek, a local nobleman and landowner who lived between 1435 and 1501.

As the name spread across Central Europe, variations in spelling emerged, such as Janáček, Janáčik, and Janáčková. These variations often reflected regional dialects and linguistic influences.

One of the most renowned individuals with the surname Janacek was the Czech composer Leoš Janáček, born in 1854 and died in 1928. He is considered one of the most influential composers of the 20th century and is best known for his operas and orchestral works, which drew inspiration from Moravian folk music.

Another notable figure was Jaroslav Janacek, a Czech mathematician and logician who lived from 1892 to 1956. He made significant contributions to the field of mathematical logic and is remembered for his work on the foundations of set theory.

In the literary world, Klára Janáčková (1895-1973) was a prominent Czech writer and translator. She is best known for her translations of Russian literature into Czech, particularly the works of Fyodor Dostoevsky and Maxim Gorky.

Jaroslav Janáček (1890-1942) was a Czech architect and urban planner who played a crucial role in the development of modern architecture in Czechoslovakia during the interwar period.

Lastly, Tomáš Janáček (born in 1952) is a contemporary Czech film director and screenwriter. He has garnered international acclaim for his films that explore complex social and political issues in Czech society.

These are just a few examples of individuals with the surname Janacek who have made significant contributions to various fields throughout history, further solidifying the name's rich cultural heritage and legacy.

Race and ethnic origin of people with the last name Janáček

We also have some data on the ancestry of people with the surname Janáček.

The below race categories are the modified race categories used in the Census Bureau's population estimates program. All people were categorized into six mutually exclusive racial and Hispanic origin groups:

1. White only
2. Black only
3. American Indian and Alaskan Native only
4. Asian and Pacific Islander only
5. Hispanic
6. Two or More Races

For the most recent 2010 census data, the race/ethnic origin breakdown for Janáček was:

Note: Any fields showing (S) means the data was suppressed for privacy so that the data does not in any way identify any specific individuals.

Since we have data from the previous census in 2000, we can also compare the values to see how the popularity of Janáček has changed in the 10 years between the two census surveys.

Data source

The last name data and ethnic breakdown of last names is sourced directly from the Decennial Census survey, conducted every 10 years by the United States Census Bureau.

The history and meaning of the name Janáček was researched and written by our team of onomatology and genealogy experts.

If you have a correction or suggestion to improve the history of Janáček, please contact us.

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