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

Janz, 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 Janz surname is from the 2010 census data.

Popularity of Janz in America

Janz is the 22106th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Janz surname appeared 1,171 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 Janz.

We can also compare 2010 data for Janz 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 Janz

The surname JANZ has its origins in Germany, where it first emerged in the 12th century. It is believed to be derived from the German word "Janz," which was a diminutive or nickname form of the personal name Johannes or Johann.

One of the earliest recorded instances of the name JANZ can be found in the Codex Diplomaticus Anhaltinus, a collection of historical documents from the principality of Anhalt in central Germany, dating back to the year 1195. In this document, a certain "Janz von Zerbst" is mentioned.

In the 14th century, the name JANZ appears in various records from the city of Nuremberg, such as the Nuremberg Hussiten register of 1349, which lists several individuals with the surname JANZ. This suggests that the name had become well-established in this region by that time.

The JANZ surname is also associated with the town of Janz, located in the Prussian province of Pomerania (now part of modern-day Poland). This town likely derived its name from an individual named Janz, further reinforcing the connection between the surname and the personal name Johannes or Johann.

One notable historical figure bearing the surname JANZ was Caspar Janz (1494-1564), a German Lutheran theologian and reformer who worked alongside Martin Luther during the Protestant Reformation. Another was Johann Janz (1538-1612), a German Renaissance painter known for his religious works and portraits.

In the 17th century, the JANZ surname can be found in the records of the Dutch colony of New Netherland (present-day New York and New Jersey). For example, Hendrick Janz van Veewater, a Dutch settler, is mentioned in the records of the Dutch Reformed Church in New Amsterdam (now New York City) in 1639.

Other notable individuals with the JANZ surname include Johann Janz (1804-1857), a German mathematician and educator, and Ernst Janz (1900-1976), a German lawyer and politician who served as the Minister of Justice in East Germany from 1949 to 1953.

Overall, the surname JANZ has a rich history spanning several centuries and regions, with its origins rooted in the German personal name Johannes or Johann. Its presence in various historical records and the existence of place names derived from the surname further underscore its significance in German and European history.

Race and ethnic origin of people with the last name Janz

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

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

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

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