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

Sierocki, 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 Sierocki surname is from the 2010 census data.

Popularity of Sierocki in America

Sierocki is the 160975th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Sierocki surname appeared 100 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 Sierocki.

The history of the last name Sierocki

The surname "SIEROCKI" is of Polish origin, derived from the Polish word "sierota" meaning "orphan." It likely originated in the late medieval period, around the 14th or 15th century, when surnames were becoming more common in Poland.

The name may have originally been given as a descriptive surname to someone who was an orphan or who worked with orphans, perhaps in an orphanage or church-run institution. It could also have been given as a nickname to someone who appeared to be alone or without family.

One of the earliest recorded instances of the name can be found in the records of the town of Krakow, where a certain Maciej Sierocki is mentioned in a document from 1495. There is also a reference to a Jan Sierocki in the records of the town of Poznan from around the same time period.

The name appears to have been particularly concentrated in the central and southern regions of Poland, though it could be found throughout the country. Variations in spelling included "Sieroczki," "Syroczki," and "Szyrocki."

A notable bearer of the name was Piotr Sierocki (1558-1618), a Polish nobleman and military commander who fought in the Polish-Swedish wars of the early 17th century. Another was Kazimierz Sierocki (1756-1827), a Polish mathematician and astronomer who made significant contributions to the field of celestial mechanics.

In the 19th century, Jan Sierocki (1815-1878) was a prominent Polish politician and journalist who advocated for Polish independence from foreign rule. His contemporary, Wincenty Sierocki (1822-1891), was a distinguished painter and artist known for his portraits and religious works.

Toward the end of the 19th century, Franciszek Sierocki (1858-1933) was a notable writer and poet who helped revive interest in Poland's cultural heritage and folklore.

Race and ethnic origin of people with the last name Sierocki

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

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 Sierocki 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.

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

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

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