Bilodeau
A French-Canadian surname that likely began as a nickname or descriptive byname and later became hereditary.
The #7,480 most common surname in the United States (2010 Census) — about 1 in every 69,319 Americans shares it.
Etymology
Bilodeau is a French surname, especially associated with Quebec and French Canada. Its exact origin is not fully settled in standard surname references, but it is generally treated as a French nickname or descriptive formation rather than a direct occupational name. The ending -eau is common in French surnames, while the first element may reflect an old dialect word or personal byname whose precise sense is uncertain today.
History
The name is most strongly associated with French-Canadian families, especially in Quebec, and spread widely through later migration to New England and other parts of North America. Like many French surnames that became hereditary in Canada, it likely stabilized relatively early in colonial records and then passed through multiple generations. Modern bearers are concentrated in French-speaking or French-descended communities.
Origin
Regions
Variant spellings
Fun fact
Because it is strongly tied to French-Canadian family lines, Bilodeau is a surname that often signals deep roots in early North American French settlement.