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

Janousek, 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 Janousek surname is from the 2010 census data.

Popularity of Janousek in America

Janousek is the 26598th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Janousek surname appeared 916 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 Janousek.

We can also compare 2010 data for Janousek 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 Janousek

The surname Janousek is of Czech origin, derived from the personal name Janoušek, which is a diminutive form of the name Jan, the Czech equivalent of John. The name can be traced back to the 13th century in the regions of Bohemia and Moravia, which were part of the Kingdom of Bohemia at the time.

Janousek is believed to have originated as a patronymic surname, meaning it was initially used to identify someone as the son of a person named Janoušek. This practice was common in medieval times when surnames were just starting to become hereditary.

The earliest known record of the surname Janousek can be found in the Liber Viridis, a 14th-century manuscript containing records of land ownership in the town of Chrudim, located in what is now eastern Czech Republic. The document mentions a certain Petr Janousek, who owned a farmstead in the village of Bystřice.

In the 15th century, the surname Janousek appeared in various administrative records and chronicles of the Hussite Wars, which were religious and social upheavals that took place in the Kingdom of Bohemia. One notable bearer of the name during this period was Jan Janousek, a priest and ardent supporter of the Hussite reformist movement, who lived from around 1390 to 1456.

During the 16th and 17th centuries, the surname Janousek spread across various regions of Bohemia and Moravia, as well as to other parts of the Holy Roman Empire. A notable figure from this time was Václav Janousek (1542-1617), a prominent merchant and landowner from the town of Kutná Hora, who was involved in the Bohemian Revolt against the Habsburg monarchy.

In the 19th century, a famous bearer of the Janousek surname was Antonín Janousek (1828-1904), a Czech writer and journalist who played a significant role in the Czech National Revival movement, which aimed to revive and promote Czech language and culture.

Another notable individual with the surname Janousek was Ludvík Janousek (1898-1976), a Czech chess grandmaster and one of the strongest players in the world during the 1920s and 1930s. He represented Czechoslovakia in several Chess Olympiads and authored several books on chess theory and strategy.

Race and ethnic origin of people with the last name Janousek

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

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 Janousek 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 Janousek 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 Janousek was researched and written by our team of onomatology and genealogy experts.

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

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