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

Inácio, 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 Inácio surname is from the 2010 census data.

Popularity of Inácio in America

Inácio is the 47107th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Inácio surname appeared 451 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 Inácio.

We can also compare 2010 data for Inácio 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 Inácio

The surname INACIO has its origins in Portugal and Spain, where it first appeared in the late Middle Ages. It is derived from the Latin name "Ignatius," which was the name of an early Christian martyr. The name Ignatius comes from the Roman family name "Egnatius," which itself may have originated from the word "ignis," meaning fire.

In Portugal, the surname INACIO is often associated with the region of Beira Alta, particularly the town of Viseu. One of the earliest recorded instances of the name is found in a 14th-century manuscript from the Monastery of Santa Cruz in Coimbra, which refers to a landowner named Afonso Inacio.

The surname also has a long history in Spain, particularly in the regions of Galicia and Asturias. One notable bearer of the name was Ignacio de Loyola (1491-1556), the founder of the Jesuit order, who was born in the Basque region of Spain.

Another notable figure with the surname INACIO was João Inacio de Sousa (1670-1741), a Portuguese military engineer and architect who designed several fortifications and public buildings in Brazil during the colonial era.

In the 16th and 17th centuries, the surname INACIO was also found in parts of Italy, particularly in the region of Campania. One example is Antonio Inacio (1577-1649), an Italian painter and architect who worked in Naples and Salerno.

In the 19th century, the name INACIO was borne by several individuals involved in the struggle for Brazilian independence, including José Inacio Borges (1785-1838), a revolutionary leader and politician who served as the first president of the province of Pernambuco.

Other notable individuals with the surname INACIO include Manuel Inacio da Silva Alvarenga (1749-1814), a Portuguese-Brazilian poet and lawyer who was a leading figure in the Brazilian Enlightenment, and José Inacio de Abreu e Lima (1794-1869), a Brazilian statesman and diplomat who served as the first Brazilian envoy to the United States.

Race and ethnic origin of people with the last name Inácio

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

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

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

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