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Last Name Loncour

What is the origin of the last name Loncour?

The surname Loncour is of French origin and has several possible meanings. It could be derived from various places with similar names in France, such as "Loncourt" (a commune in the Aisne department) or "Longchamp" (found in multiple departments). Another theory suggests that the name might have originated from the Old French words "lonc" (long) and "cour" (courtyard), meaning a long courtyard, though this is less certain. As with many surnames, it's important to note that the specific origins can vary from family to family.

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Learn more about the origin of the last name Loncour

The meaning and origin of the last name Loncour

The surname Loncour is of French origin, specifically from the Norman region, which was dominated by the Duchy of Normandy during medieval times. The name can be traced back to various localities in Normandy that were initially spelled as 'Longue Cour' or 'Longcourt', meaning "long courtyard" in French. Over time, the spelling evolved into Loncour and other variations. This surname may have been originally used to denote someone who lived at or near a long courtyard, or it could have been a nickname for someone thought to be tall or of large stature due to living in a long courtyard. The name was later brought to England by the Normans following their conquest in 1066 and has since spread across Europe and the British Isles.

Geographical distribution of the last name Loncour

The surname Loncour is primarily found in France, specifically in the regions of Hautes-Alpes and Alpes-de-Haute-Provence, where it has historical roots dating back to the Middle Ages. The name originates from the village of Lanslebourg-Mont-Cenis, located in the Hautes-Alpes department, near the Italian border. Over time, members of the Loncour family expanded and migrated, with some settling in other parts of France, such as Normandy and Ile-de-France. Additionally, small communities bearing the name can be found in Quebec, Canada, primarily in the regions of Beauce and Outaouais, where French settlers established themselves during the colonial era.

Variants and spellings of the last name Loncour

The surname Loncour has various spelling variations due to differences in transcription and translation over time. Some common variations include:

1. Loncourt
2. Longchamps
3. Longchourt
4. Longchour
5. Longcor
6. Longcoeur
7. Longcoure
8. Longcour
9. Longcourtier
10. Longcoury

These variations may stem from regional dialects, historical documents, or errors in transcription over time. It is also possible for individuals to intentionally modify their surnames as they migrated to new countries or adapted to changing cultural norms.

Famous people with the last name Loncour

The Loncour family is relatively less prominent compared to other well-known surnames, but some notable individuals carrying this last name have made significant contributions across various fields. One of them is Jean Loncour, a French World War I soldier who was awarded the Croix de Guerre and the Legion of Honor for his courageous actions during the war. In the realm of academia, Georges Loncour, a French mathematician, made significant contributions to the field of differential equations and was a professor at the University of Strasbourg. Lastly, in the world of entertainment, Pierre Loncour is a renowned French filmmaker known for his documentaries on art and culture, earning him several awards and recognitions. Despite their individual accomplishments, these individuals are not as widely recognized as those with more common surnames.

Genealogical research on the last name Loncour

The surname Loncour originates from France and is believed to have derived from various locations bearing the same name. Some of these include Loncour in Calvados, Normandy, and Loncourt in Haute-Marne, both in northern France. The name could also be a variant of Longchamps or Longcor, which mean "long courtyard" in French.

Throughout history, several notable individuals bearing the Loncour surname have emerged. For instance, Jacques Loncour was a French naval officer during the 18th century who distinguished himself in the Seven Years' War and American Revolutionary War. In the modern era, Guy Loncour served as the President of the Senate of France from 1959 to 1968.

As with many surnames, variations may have emerged due to factors such as spelling errors during census enumerations or migration, resulting in different spellings like Loncourt, Longchour, and others. Genealogical research continues to uncover more details about the origins, migrations, and notable figures bearing the Loncour surname.

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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 : 26 July 2025

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