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

Doi, 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 Doi surname is from the 2010 census data.

Popularity of Doi in America

Doi is the 20996th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Doi surname appeared 1,253 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 Doi.

We can also compare 2010 data for Doi 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 Doi

The surname DOI is of Italian origin, dating back to the medieval period in the 14th century. It originated in the region of Tuscany, particularly in the cities of Florence and Siena. The name is derived from the Italian word "dio," meaning "God," and is considered a habitational name, referring to someone who lived near a church or monastery dedicated to God.

One of the earliest recorded instances of the name DOI can be found in the famous Florentine chronicle "Cronica di Giovanni Villani," written in the 14th century. The chronicle mentions a family named Doi as prominent citizens of Florence during that time.

In the 15th century, several members of the Doi family were recorded in the census records of Siena, indicating the spread of the name beyond Florence. One notable figure from this period was Antonio Doi (1422-1498), a respected scholar and humanist who wrote extensively on classical literature.

The Doi surname also appeared in various ecclesiastical records from the 16th and 17th centuries, reflecting the religious connotations of the name. One such record mentions Fra Domenico Doi (1567-1633), a Franciscan friar renowned for his charitable works in the city of Pisa.

In the 18th century, the Doi family gained prominence in the field of art. Giuseppe Doi (1720-1795) was a celebrated painter from Florence, known for his religious works adorning churches throughout Tuscany.

Another notable figure with the surname Doi was Giuseppe Maria Doi (1810-1892), a prominent architect from Siena who designed several churches and public buildings in the city, including the Palazzo Comunale (City Hall).

The Doi surname continued to be well-represented in various fields throughout the 19th and early 20th centuries, with individuals like Emilio Doi (1858-1926), a renowned physicist and professor at the University of Pisa, and Elisa Doi (1876-1944), a celebrated opera singer who performed in major theaters across Europe.

Race and ethnic origin of people with the last name Doi

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

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

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

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