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

Jansky, 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 Jansky surname is from the 2010 census data.

Popularity of Jansky in America

Jansky is the 23785th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Jansky surname appeared 1,063 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 Jansky.

We can also compare 2010 data for Jansky 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 Jansky

The surname Jansky is of Czech origin, derived from the personal name Jan, which is a diminutive form of the name Johannes or John. The name dates back to the Middle Ages in the region of Bohemia, now part of the Czech Republic.

Jansky is believed to have originated as a patronymic surname, meaning "son of Jan." In the early Czech naming tradition, surnames were often formed by adding the possessive suffix "-sky" or "-ski" to a given name, indicating a familial relationship.

One of the earliest recorded instances of the name Jansky can be found in the Codex Diplomaticus et Epistolaris Regni Bohemiae, a collection of historical documents from the Kingdom of Bohemia, dating back to the 13th century. The name appears in various spellings, such as Jansky, Janzky, and Jancky.

In the 14th century, a notable figure bearing the name Jansky was Jan Jankovsky, a Czech nobleman and military commander who played a significant role in the Hussite Wars. He was born around 1380 and is mentioned in several historical chronicles from that period.

Another prominent individual with the Jansky surname was Vaclav Jansky, a Czech-American engineer and physicist who is credited with the discovery of cosmic radio waves in 1932. He was born in 1888 in Litomyšl, Bohemia, and his groundbreaking work laid the foundation for the field of radio astronomy.

In the 16th century, records show a village named Jansky in the region of Moravia, which may have derived its name from an early settler with the surname Jansky. This village, now known as Janské Lázně, is a popular spa town in the Czech Republic.

Another notable figure with the Jansky surname was Karel Jansky, a Czech composer and music theorist who lived in the late 18th and early 19th centuries. He was born in 1766 and is known for his contributions to the development of Czech classical music.

Throughout history, the Jansky surname has been carried by individuals from various walks of life, including artists, scholars, and professionals, reflecting the diverse backgrounds and achievements of those who bear this name of Czech origin.

Race and ethnic origin of people with the last name Jansky

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

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

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

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