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

Tomassi, 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 Tomassi surname is from the 2010 census data.

Popularity of Tomassi in America

Tomassi is the 34390th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Tomassi surname appeared 659 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 Tomassi.

We can also compare 2010 data for Tomassi 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 Tomassi

The surname Tomassi has its origins in Italy, dating back to the late medieval period. It is derived from the Italian personal name Tommaso, which itself comes from the Hebrew name Thomas, meaning "twin." The name Tomassi is a patronymic form, indicating that the original bearer was the son of a man named Tommaso.

One of the earliest recorded instances of the name Tomassi can be found in the Codice Diplomatico Longobardo, a collection of legal documents from the Lombard Kingdom in northern Italy, dating from the 8th to the 10th centuries. This suggests that the name was already in use by that time.

In the 13th century, there are records of a Guglielmo Tomassi, a nobleman from the city of Siena in the region of Tuscany. He was involved in the city's political affairs and is mentioned in several historical documents from that period.

During the Renaissance, the name Tomassi gained prominence with the rise of the Tomassi family in the Republic of Venice. This family produced several notable individuals, including the humanist scholar and diplomat Andrea Tomassi (1465-1530) and the architect and engineer Girolamo Tomassi (1495-1556), who contributed to the design of several iconic buildings in Venice.

In the 17th century, another notable figure was the Italian philosopher and theologian Giacomo Tomassi (1601-1676), who was a member of the Jesuit order and authored several works on metaphysics and theology.

The name Tomassi has also been associated with various place names in Italy, such as the town of Tomasi di Lampedusa in the province of Agrigento, Sicily, which was named after the aristocratic Tomasi family that owned land in the area.

Other notable individuals with the surname Tomassi include the Italian painter and engraver Ludovico Tomassi (1738-1808), known for his landscapes and vedute (cityscape paintings), and the Italian writer and literary critic Ettore Tomassi (1890-1974), who was a prominent figure in the Neorealist movement in Italian literature.

Throughout its history, the surname Tomassi has maintained a strong presence in Italy, particularly in regions like Tuscany, Veneto, and Sicily, where it has been associated with families of varying social status, from nobility to professionals and artists.

Race and ethnic origin of people with the last name Tomassi

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

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

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

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