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

Sedlacek, 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 Sedlacek surname is from the 2010 census data.

Popularity of Sedlacek in America

Sedlacek is the 12473rd most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Sedlacek surname appeared 2,489 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 1 people would have the surname Sedlacek.

We can also compare 2010 data for Sedlacek 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 Sedlacek

The surname "SEDLACEK" originated in the Czech Republic and Slovakia during the medieval period. It is derived from the Czech word "sedlák," which means "farmer" or "peasant." The name is a diminutive form, with the suffix "-ek" added, meaning "little farmer" or "small peasant."

The earliest recorded instances of the name date back to the 14th century, appearing in various records and manuscripts from the Czech lands. One of the earliest known bearers was Jan Sedlacek, a farmer from the village of Rataje nad Sazavou, who was mentioned in a land registry document from 1372.

The name was likely associated with individuals who worked as farmers or came from rural areas. In those times, surnames were often derived from occupations, locations, or physical characteristics. The prevalence of the name Sedlacek suggests a strong connection to agricultural communities in the Czech and Slovak regions.

One notable figure with the surname Sedlacek was Václav Sedlacek, a Czech historian and writer who lived from 1785 to 1851. He authored several books on Czech history and culture, including "Hospodářské dějiny českých zemí" (Economic History of the Czech Lands) and "Hrady a zámky v Čechách" (Castles and Palaces in Bohemia).

Another prominent bearer of the name was Jaroslav Sedlacek, a Czech chess player and International Master born in 1929. He won several national championships and represented Czechoslovakia in numerous international tournaments during the 1950s and 1960s.

In the 16th century, the name Sedlacek appeared in various forms, such as "Ssedlaczek" or "Ssedlacziek," reflecting the spelling variations common in historical records. Some early bearers of the name were associated with specific locations, such as the village of Sedlačkov or the town of Sedlec.

Variations of the name can also be found in other Slavic languages, such as the Polish surname "Siedziak" or the Slovak surname "Sedliak," which share similar linguistic roots and meanings related to farming or rural life.

Overall, the surname Sedlacek has a rich history rooted in the agricultural traditions of the Czech and Slovak regions, with its origins dating back to the medieval era and several notable individuals bearing this name throughout the centuries.

Race and ethnic origin of people with the last name Sedlacek

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

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

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

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