Last Name Lac

The surname Lac is a French name derived from various possible origins. One possibility is that it comes from a nickname for someone who lived near a lake or body of water, as "lac" means "lake" in French. Another possibility is that it may have originated from the Old French word "lah," meaning meadow or pasture, which could be a topographical name for someone who lived on such land. Lastly, it could also be a metonymic occupational name for someone who worked at a lake, such as a fisherman or boatman. As with many surnames, its exact origin may vary depending on the specific family and region.

Learn more about the origin of the last name Lac

The meaning and origin of the last name Lac

The surname Lac, which is of French origin, derives from various sources. One possible origin stems from a topographic name for someone who lived by or worked on a lake or pool, from the Old French 'lac' meaning 'lake'. Another possibility suggests it could be an occupational name for a fisherman or a keeper of fishponds, derived from the same root. The term was also used as a nickname for a person with blue eyes, as 'lac' in old French referred to a light shade of blue. In some cases, Lac may have been originally a metonymic occupational name for someone engaged in the lac dye industry, which was prevalent in France during medieval times.

Geographical distribution of the last name Lac

The surname Lac is predominantly found in France and its former colonies. In France, it is most commonly found in the regions of Brittany, Normandy, and Lorraine. It is also present in other parts of the country but with lower frequency. The name has a strong association with Breton heritage due to its high concentration in that region. Outside of France, the surname Lac can be found in countries like Canada, Haiti, and the United States, particularly among French-speaking communities. In Canada, it is most common in Quebec, as a result of French immigration. In Haiti and Louisiana, USA, it is present due to French colonial history and subsequent migration.

Variants and spellings of the last name Lac

The surname Lac, which is of French origin, has several variations and spellings due to differences in transliteration, regional dialects, and individual preferences over time. Some common variations include Lac, Leac, De Lac, Du Lac, Lacque, and Lack. In English, the name can also be found as Lake, though this is more commonly used as a given name or geographical feature rather than a surname. Additionally, there may be regional variations in spelling due to immigration; for example, some families of French descent in Quebec, Canada, may spell their surname La Cique, which is phonetically equivalent to Lac. It's important to note that these variations can make it challenging to trace genealogy or family history, as records may be misfiled or misspelled.

Famous people with the last name Lac

The Lac family is notable for producing several distinguished individuals across various fields. Notably, Yves Lacasse (1932-2015), a Canadian ice hockey goaltender, had an impressive career spanning over two decades and was inducted into the Hockey Hall of Fame in 1975. In the realm of science, Paul Alphérous Lacroute (1892-1974) made significant contributions to astronomy, becoming a pioneer in infrared observations and helping discover quasars. From the world of art, Victor-Auguste-Rodolphe LaCarrière (1859-1932), a French painter, was known for his landscapes, still lifes, and portraits. Additionally, Canadian politician Jean Chrétien (b. 1934) served as the Prime Minister of Canada from 1993 to 2003. These individuals are prime examples of notable Lacs throughout history.

Genealogical research on the last name Lac

The surname Lac originates from France and is derived from various places named Laque or Laquey, found mainly in the Occitanie region. The earliest known records of this surname date back to the 13th century. Over time, the spelling of the name has evolved due to various factors such as changes in language, migration, and personal preference. Lac is a common name among French-Canadian families who trace their roots to Acadia, a former French colony in North America. During the Great Expulsion of 1755–1764, many Acadians were displaced and eventually settled in Louisiana, where the surname became prevalent. Today, Lac is also found among populations in Louisiana, Quebec, and France. Notable figures with this surname include Canadian politician Jean-Charles Lacroix and French actor Maxime Lacroix.

Last name distribution maps

Sources & References

• INSEE statistics on the surname "lac"
• Global distribution of the surname on Forebears.io
• Wikipedia Article

About the author :

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 : 31 July 2025

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