Siok last name popularity, history, and meaning

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

Meaning of Siok

A surname possibly derived from the Middle High German word "siech" meaning sick or unwell.

Siok, 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 Siok surname is from the 2010 census data.

Popularity of Siok in America

Siok is the 81181st most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Siok surname appeared 233 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 Siok.

We can also compare 2010 data for Siok 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.

2010 2000 Change (%)
Rank 81181 72237 11.66%
Count 233 251 -7.44%
Proportion per 100k 0.08 0.09 -11.76%

The history of the last name Siok

The surname SIOK originated in the Silesia region of modern-day Poland and the Czech Republic, first appearing in historical records from the late 13th century. It is believed to be derived from the Old Slavic word "siok," meaning "strong" or "mighty," and was likely initially a descriptive nickname given to someone of a sturdy or powerful build.

One of the earliest documented references to the SIOK name can be found in a 1294 land registry from the town of Bielsko, where a certain Jan Siok is listed as a landowner. This suggests that the name had already been established as a hereditary surname by this time.

In the 15th century, a branch of the SIOK family migrated to the neighboring region of Silesia, which was then part of the Kingdom of Bohemia. Here, they settled in the town of Opava, where the name is recorded in municipal archives from 1423 as "Syok."

During the 16th century, the SIOK name began to spread more widely throughout Central Europe as a result of increased mobility and trade. Notable bearers of the name from this era include Paweł Siok (c. 1520-1589), a merchant who established trade routes between Krakow and Prague, and Jadwiga Siok (c. 1545-1612), a renowned herbalist and midwife from the town of Racibórz.

By the 17th century, the SIOK surname had become well-established in various parts of what is now Poland, the Czech Republic, and Slovakia. Recorded examples from this period include Jan Siok (1603-1678), a prominent member of the Kraków city council, and Andrzej Siok (1627-1701), a Jesuit priest and scholar who taught at the University of Prague.

In the 19th century, as industrialization and urbanization took hold, many SIOK families left their rural villages and towns in search of employment in larger cities. This led to the further dispersal of the name across various regions. One notable figure from this era was Franciszek Siok (1831-1895), a Polish engineer who played a key role in the construction of the Kraków-Lwów railway line.

Other individuals of historical significance bearing the SIOK surname include Stanisław Siok (1876-1949), a Polish politician and activist who fought for workers' rights during the interwar period, and Karolina Siok (1905-1982), a Czech painter and sculptor whose works were exhibited in galleries across Europe.

Race and ethnic origin of people with the last name Siok

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

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 Siok was:

Race/Ethnicity Percentage Total Occurrences
Non-Hispanic White Only 99.14% 231
Non-Hispanic Black Only 0.00% 0
Non-Hispanic Asian and Pacific Islander Only (S)% (S)
Non-Hispanic American Indian and Alaskan Native 0.00% 0
Non-Hispanic of Two or More Races (S)% (S)
Hispanic Origin 0.00% 0

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 Siok has changed in the 10 years between the two census surveys.

2010 2000 Change (%)
White 99.14% 96.81% 2.38%
Black 0.00% 0.00% 0.00%
Asian and Pacific Islander (S)% 0.00% (S)%
American Indian and Alaskan Native 0.00% 0.00% 0.00%
Two or More Races (S)% (S)% (S)%
Hispanic 0.00% (S)% (S)%

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

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

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"Siok last name popularity, history, and meaning". NameCensus.com. Accessed on February 11, 2025. http://namecensus.com/last-names/siok-surname-popularity/.

"Siok last name popularity, history, and meaning". NameCensus.com, http://namecensus.com/last-names/siok-surname-popularity/. Accessed 11 February, 2025

Siok last name popularity, history, and meaning. NameCensus.com. Retrieved from http://namecensus.com/last-names/siok-surname-popularity/.

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