Guilbault: Last Name and Heraldic Notes
Here is a quick, evidence-based look at the Guilbault surname. The 2010 US Census counted 904 people named Guilbault, ranking it number 26,873 among American surnames. That puts it inside the top 50,000 US surnames. INSEE counts 1,606 people born in France with the Guilbault surname between 1891 and 2000; the busiest decade was 1961–1970.
Surname origin
Start with the most recent records and work back one generation at a time. We don't publish a meaning for Guilbault without a reliable source. Our researchers work it out from the records of each family.
Similar names
Arms associated with the name
Sharing the Guilbault name is not the same as sharing a crest; arms were granted to individual families.
Want more than a summary? See the Guilbault family name pack.