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

Sia, 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 Sia surname is from the 2010 census data.

Popularity of Sia in America

Sia is the 26008th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Sia surname appeared 943 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 Sia.

We can also compare 2010 data for Sia 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 Sia

The surname Sia has its origins in Italy, with records dating back to the 15th century. It is believed to have derived from the Italian word "sia," meaning "may it be" or "let it be." This suggests that the name may have originally been a phrase or statement of affirmation.

In the early days, the surname Sia was predominantly found in the regions of Tuscany, Emilia-Romagna, and Veneto. Some of the earliest recorded instances of the name can be traced back to the city of Florence, where it appears in tax records and municipal documents from the late 1400s.

One notable historical reference to the name Sia can be found in the "Libro d'Oro della Nobilità Italiana," a compendium of Italian noble families compiled in the 17th century. This work mentions a branch of the Sia family that had been granted noble status in the city of Verona.

The earliest recorded bearer of the surname Sia was Giovanni Sia, a merchant and landowner who lived in Siena between 1430 and 1502. Another early example is Bartolomeo Sia, a renowned painter and fresco artist from Ferrara, who was active in the late 15th and early 16th centuries.

As the name spread across Italy, it evolved into various spellings, such as Sias, Siati, and Siai. In some regions, the name was also associated with specific place names, like the town of Siamaggiore in the province of Oristano, Sardinia.

Throughout history, several notable individuals have borne the surname Sia. One such figure was Antonio Sia (1560-1635), a Venetian architect and engineer who designed several significant buildings in Venice, including the Church of San Giobbe.

Another prominent bearer of the name was Girolamo Sia (1670-1743), a renowned jurist and legal scholar from Bologna, who authored several influential treatises on civil and canon law.

In the 19th century, Giuseppe Sia (1810-1888) was a celebrated Italian poet and playwright, known for his works that celebrated the beauty of his native Piedmont region.

The surname Sia also found its way into the world of music, with Pietro Sia (1845-1918), a composer and conductor from Naples who wrote several operas and orchestral works.

Finally, one cannot overlook the contributions of Carlo Sia (1892-1973), a renowned Italian engineer and inventor who pioneered several advancements in the field of telecommunications and radio technology.

Race and ethnic origin of people with the last name Sia

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

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

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

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