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

Deneus, 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 Deneus surname is from the 2010 census data.

Popularity of Deneus in America

Deneus is the 108199th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Deneus surname appeared 164 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 Deneus.

The history of the last name Deneus

The surname Deneus is believed to have originated in the region of Brittany, France during the early medieval period. It is derived from the Old Breton word "den," meaning "man" or "person," and the suffix "-eus," which denotes a place of origin or residence. Thus, the name Deneus likely referred to someone who hailed from a specific location associated with this name.

One of the earliest recorded mentions of the Deneus surname can be found in the Cartulaire de l'Abbaye de Redon, a medieval cartulary from the 9th century that documented land transactions and charters in Brittany. This suggests that the name had already established itself in the region by that time.

In the 11th century, the name appears in the Domesday Book, a comprehensive survey of landholdings and population commissioned by William the Conqueror in 1086. The entry records a certain Willelmus Deneus as a tenant in the county of Devon, England, indicating that bearers of this surname had already migrated to other parts of Europe.

During the Middle Ages, variations of the spelling emerged, such as Deneux, Denneus, and Dennous, reflecting regional linguistic differences and scribal inconsistencies in record-keeping. Some notable historical figures with this surname include:

1. Jean Deneus (c. 1320 - 1387), a prominent Breton merchant and landowner who played a significant role in the War of the Breton Succession.
2. Marguerite Deneus (c. 1430 - 1498), a Benedictine nun and abbess of the Monastery of Saint-Sulpice in Rennes, renowned for her piety and leadership.
3. Olivier Deneus (c. 1520 - 1578), a French jurist and legal scholar who served as a magistrate in the Parlement of Brittany.
4. Guillaume Deneus (1586 - 1654), a Breton navigator and explorer who accompanied Samuel de Champlain on several expeditions to North America in the early 17th century.
5. Marie-Anne Deneus (1679 - 1743), a French noblewoman and philanthropist known for her charitable works in the city of Nantes.

The name Deneus has also been associated with various place names in Brittany, such as the village of Deneuville and the hamlet of Deneuzec, further reinforcing its ties to the region. While the surname is relatively uncommon today, it remains a part of the rich linguistic and cultural heritage of Brittany and its diaspora.

Race and ethnic origin of people with the last name Deneus

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

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 Deneus 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.

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

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

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