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

Janack, 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 Janack surname is from the 2010 census data.

Popularity of Janack in America

Janack is the 95545th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Janack surname appeared 191 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 Janack.

We can also compare 2010 data for Janack 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 Janack

The surname Janack is believed to have originated in the Czech Republic during the Middle Ages. It is derived from the Old Czech word "janek," which means "little John." This suggests that the name was initially given as a diminutive form of the popular name John, likely to distinguish between multiple individuals with the same first name.

One of the earliest known references to the name Janack can be found in a 14th-century registry of landowners in the region of Bohemia, which was then part of the Holy Roman Empire. The document lists a Jakub Janack as a landowner in the village of Litomerice.

In the late 15th century, a manuscript from the Benedictine monastery in Brevnov, near Prague, mentions a Brother Vaclav Janack among the monastic order's scribes. This indicates that individuals with the surname Janack were present in religious institutions of the time.

During the 16th century, the name Janack appeared in various records across Bohemia and Moravia, often spelled as "Janacek" or "Janaczek." One notable individual from this period was Ondrej Janack (1522-1589), a respected scholar and educator who taught at the prestigious Charles University in Prague.

In the 17th century, the Janack surname spread beyond the Czech lands as a result of migration and military service. A certain Matej Janack (1635-1702) was a captain in the Imperial Army of the Holy Roman Empire and fought in the Great Turkish War against the Ottoman Empire.

As the centuries passed, the Janack name continued to be carried by individuals from various walks of life. In the 19th century, for instance, Josef Janack (1828-1893) was a prominent Czech architect who designed several notable buildings in Prague, including the National Theater.

Other notable individuals with the surname Janack include the 20th-century Czech painter and illustrator Antonín Janack (1905-1974), known for his vivid depictions of rural life, and the Polish-born American writer and journalist Andrzej Janack (1948-2021), who worked for various publications and authored several books on international affairs.

Race and ethnic origin of people with the last name Janack

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

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

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

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