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

Castio, 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 Castio surname is from the 2010 census data.

Popularity of Castio in America

Castio is the 77788th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Castio surname appeared 246 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 Castio.

We can also compare 2010 data for Castio 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 Castio

The surname CASTIO originated in Italy during the medieval period. It is derived from the Latin word "castrum," meaning a fortified place or castle. This suggests that the earliest bearers of this name may have lived in or near a castle, or held a position related to castle defense or administration.

One of the earliest recorded instances of the CASTIO surname is found in the Codex Diplomaticus Cavensis, a collection of medieval documents from the Campania region of Italy, dating back to the 11th century. The name appears in various spellings, such as Castio, Castione, and Castioni.

In the 13th century, records from the city of Genoa mention a certain Guglielmo Castio, a merchant and ship-owner. His son, Niccolò Castio, born in 1275, became a prominent figure in the city's maritime trade and served as a diplomat for the Republic of Genoa.

During the Renaissance era, the CASTIO family produced several notable individuals. Giovanni Battista Castio, born in 1490 in Venice, was a renowned humanist scholar and poet. His works include a Latin translation of the Greek philosopher Plutarch's writings.

In the 16th century, Girolamo Castio, born in 1520 in Milan, was a celebrated architect who designed several churches and palaces in northern Italy, including the Church of Santa Maria delle Grazie in Monza.

The CASTIO surname also has historical ties to the city of Naples. In the 17th century, records mention a noble family called Castio di Napoli, who owned estates in the surrounding region. One member, Tommaso Castio, born in 1635, served as a military commander during the Wars of Castro, a conflict between the Papal States and the Duchy of Parma.

Over the centuries, the CASTIO surname has been associated with various place names in Italy, such as Castione della Presolana, a town in the province of Bergamo, and Castione Andevenno, a municipality in the province of Sondrio.

Race and ethnic origin of people with the last name Castio

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

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

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

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