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

Sincere, 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 Sincere surname is from the 2010 census data.

Popularity of Sincere in America

Sincere is the 64388th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Sincere surname appeared 309 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 Sincere.

We can also compare 2010 data for Sincere 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 Sincere

The surname SINCERE originated in the French region of Normandy during the early 12th century. It is believed to have derived from the Old French word "sincere," which means truthful, honest, or genuine. This term traces its roots back to the Latin word "sincerus," meaning pure or unmixed.

One of the earliest known references to the SINCERE surname can be found in the Domesday Book, a comprehensive survey of land ownership and taxation commissioned by William the Conqueror in 1086. The entry mentions a landowner named Robert Sincere, who held estates in the county of Oxfordshire.

Throughout the Middle Ages, the SINCERE name appeared in various records and documents across Normandy and neighboring regions. In the 14th century, a notable figure named Jean Sincere served as a court advisor to the French King Philip VI of Valois.

The SINCERE surname later spread to other parts of Europe, including England, where it was often anglicized to the spelling "Sinsere." One of the earliest recorded examples of this variant can be found in the parish records of St. Mary's Church in Ipswich, Suffolk, dating back to the late 15th century.

During the Renaissance period, a prominent Italian scholar and philosopher named Pietro Sincere (1460-1524) gained recognition for his contributions to the study of classical literature and humanist thought. His works were widely influential across Europe and helped to shape the intellectual discourse of the era.

Another notable figure with the SINCERE surname was Sir Thomas Sinsere (1520-1589), an English politician and landowner who served as a member of Parliament during the reign of Queen Elizabeth I. He was known for his support of Protestant reforms and his involvement in local governance in the county of Essex.

In the 17th century, a French Protestant family named Sincere fled religious persecution and sought refuge in the Dutch Republic. One of their descendants, Jean-Baptiste Sincere (1642-1712), became a renowned artist and engraver, famous for his intricate etchings and engravings depicting biblical scenes and allegorical subjects.

As the SINCERE surname continued to spread across Europe and beyond, it underwent various spelling variations, including Sinclair, Sinclaire, and Sinclair-Sincere. In the 18th century, a Scottish nobleman named Sir John Sinclair (1754-1835) became a prominent figure in agriculture and rural economics, authoring several influential works and advocating for agricultural reforms.

Race and ethnic origin of people with the last name Sincere

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

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

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

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