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

Ratti, 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 Ratti surname is from the 2010 census data.

Popularity of Ratti in America

Ratti is the 20139th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Ratti surname appeared 1,326 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 Ratti.

We can also compare 2010 data for Ratti 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 Ratti

The surname Ratti has its origins in Northern Italy, primarily in the regions of Lombardy and Piedmont, dating back to the medieval period. It is derived from the Italian word "ratto," meaning "rat," which may have been used as a nickname or a reference to an occupation involving the control or hunting of these rodents.

One of the earliest recorded instances of the surname Ratti can be found in the 14th century, when a certain Giovanni Ratti was mentioned in the annals of the city of Pavia in 1349. This record suggests that the name was already established in the region at that time.

Another notable reference comes from the 15th century, when a certain Francesco Ratti was recorded as a member of the prestigious Venetian noble family, the Ratti di Desio. This branch of the Ratti family held significant influence and power in the Venetian Republic during the Renaissance period.

In the 16th century, the surname Ratti gained more prominence with the birth of Gian Paolo Ratti (1504-1590), a renowned jurist and legal scholar from Milan. His works on civil and canon law were widely acclaimed and influential during his lifetime.

The 17th century saw the rise of another notable figure, Girolamo Ratti (1616-1677), a Baroque painter from Genoa. His works adorned various churches and palaces throughout Italy, showcasing his artistic talents and contributing to the cultural heritage of the region.

In the 18th century, the Ratti surname was associated with the prominent Italian architect, Carlo Ratti (1737-1798). He was responsible for designing several notable buildings in Turin, including the Church of San Francesco da Paola and the Palazzo Chiablese.

Moving into the 19th century, one cannot overlook the influential figure of Giovanni Battista Ratti (1811-1888), an Italian chemist and industrialist from Bergamo. He made significant contributions to the development of the textile industry and is credited with introducing innovations in dyeing and finishing processes.

The 20th century also witnessed several notable individuals with the surname Ratti, including Achille Ratti (1857-1939), who became Pope Pius XI in 1922. He was a respected scholar and diplomat who played a crucial role in the Vatican's relations with various nations during his pontificate.

Race and ethnic origin of people with the last name Ratti

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

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

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

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