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

Janca, 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 Janca surname is from the 2010 census data.

Popularity of Janca in America

Janca is the 48160th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Janca surname appeared 439 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 Janca.

We can also compare 2010 data for Janca 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 Janca

The surname Janca is of Slavic origin, first appearing in the historical records of the Czech Republic and Slovakia regions in the 14th century. It is believed to have derived from the Slavic personal name "Jan" or "Ivan," which was a popular name during that era. The suffix "-ca" was often added to denote the person's lineage or family.

The earliest known reference to the Janca surname can be found in the Liber Vetustissimus, a medieval manuscript from the town of Jihlava, which mentions a landowner named Janca in the year 1382. This suggests that the name may have originated among the nobility or landowners of the region.

In the 16th century, the Janca name appeared in several church records and municipal documents across Bohemia and Moravia, indicating its widespread use among the local population. One notable example is the birth record of Jan Janca, born in 1542 in the village of Breznice, which is now part of the Czech Republic.

As the Janca family spread across Central Europe, variations of the name emerged, such as Jancza, Janča, and Jančo. These variations were often influenced by regional dialects and language variations within the Slavic linguistic group.

Over the centuries, several notable individuals have carried the Janca surname. One of the earliest was Mikuláš Janca (1508-1582), a Czech humanist scholar and writer known for his Latin poetry and translations of classical works. Another was Václav Janca (1720-1789), a Bohemian composer and organist who contributed to the development of Czech classical music.

In the 19th century, Jakub Janca (1821-1887) was a Czech politician and journalist who played a significant role in the Czech National Revival movement. He advocated for the recognition of Czech culture and language rights within the Austro-Hungarian Empire.

More recently, Josef Janca (1901-1974) was a Czech painter and graphic artist renowned for his landscapes and portraits, while Jiří Janca (1927-2008) was a celebrated Czech architect and urban planner responsible for several notable buildings in Prague and other cities.

While the Janca surname has its roots in Central Europe, it has since spread to various parts of the world through migration and diaspora communities, carrying with it the rich cultural heritage of its Slavic origins.

Race and ethnic origin of people with the last name Janca

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

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

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

Reference this page

We spend a lot of resources downloading, cleaning, merging, and formatting the data that is shown on the site.

If you found the data or information on this page useful in your research, please use the tool below to properly cite or reference Name Census as the source. We appreciate your support!