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Last Name Le-guennec

What is the origin of the last name Le-guennec?

The surname "le Guennec" is a French patronymic name derived from the given name "Guennec." The name "Guennec" is a Breton form of the name "John," which was brought to Brittany by the Normans during their conquest in the 11th century. The suffix "-le" in French means "the" and is often used as a prefix in surnames to indicate that the person was associated with someone who had the given name. In this case, "le Guennec" could mean "the man called Guennec."

Learn more about the origin of the last name Le-guennec

The meaning and origin of the last name Le-guennec

The surname Le Guennec originates from France, specifically the Breton region, where it is most commonly found. The name is derived from the Old Breton language, with "gwenn" meaning white or fair, and "hek" or "henn" indicating a small enclosure or hedge. Together, these elements can be interpreted as "small enclosure of white land". Over time, this evolved into the modern French spelling, Le Guennec, which is still predominantly found among families originating from Brittany. The surname reflects the region's rich history and unique cultural traditions.

Geographical distribution of the last name Le-guennec

The surname Le Guennec is predominantly found in France, particularly in the region of Brittany, where it originated from. This coastal region has historically been characterized by its unique Celtic heritage and distinct Breton language, contributing to the high prevalence of this surname among its inhabitants. Outside of Brittany, smaller concentrations can be found in other French regions like Pays de la Loire and Normandy, reflecting historical migration patterns within France. Beyond France, the Le Guennec name is seldomly encountered and primarily appears among Breton diaspora communities in countries such as Canada, the United States, and Australia.

Variants and spellings of the last name Le-guennec

The surname Le Guennec has several variations and spellings, stemming from its Breton origin. Some common spelling variations include Le Guenec, Leguenec, LeGuenec, LeGuenech, LeGuinoc, Le Guenoec, LeGuennic, LeGuiniouc, among others. These variations may arise due to differences in the pronunciation of the name and the use of different orthographic conventions over time. The root of the name is believed to be derived from the Breton words "gweneuc'h" or "gwenn-heg", which mean 'white head' or 'fair-haired'. In a broader context, it can also be found as Leguenecq, Le Gueniquet, and Le Guenique in other regions with Breton influence.

Famous people with the last name Le-guennec

Amongst individuals bearing the surname Le Guennec, three notable figures stand out:

1. Bernard Le Guennec (born 1946), a French politician who has served as Mayor of Saint-Brieuc since 2008 and was elected to the National Assembly in 2017.

2. Thierry Le Guennec (born 1957), a French author, journalist, and screenwriter, best known for his detective novels featuring Inspector Antoine Marcas, which have been translated into multiple languages.

3. Michèle Le Guennec (born 1960), a French politician who served as the Minister of National Education from 2017 to 2020 and was a member of the European Parliament from 2004 to 2014. She also served as Mayor of Ploufragan between 2008 and 2017.

Genealogical research on the last name Le-guennec

The surname Le Guennec is of Breton origin, stemming from the region of Brittany, France. It is derived from the Celtic word "gwenn" meaning white or fair, and "kaer", which means fort or town. Historically, the Le Guennecs were a notable family in Brittany during the Middle Ages, with some members holding positions of power and influence within the Church and local government. Notable individuals bearing this surname include Théodore Le Guennec (1876-1951), a French politician who served as the Minister of War in the 1930s, and Paul Le Guennec (born 1942), a French television host and journalist. Today, Le Guennecs can be found throughout France and the wider diaspora, particularly in Canada and the United States.

Last name distribution maps

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Sources & References

About the author :
NomOrigine Team
NomOrigine Team
Passionate about genealogy, name history, and linguistics, we have been analyzing the origins of names for over 3 years. Our content is based on verified historical, etymological, and statistical data.
Last updated : 15 June 2025

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