Blanchard is a French family name. It is also used as a given name. It derives from the Old French word blanchart which meant "whitish, bordering upon white". It is also an obsolete term for a white horse. Geographical distribution. As of 2014, 42.3% of all known bearers of the surname Blanchard were residents of France (frequency 1:1,117), 36.3% of the United States (1:7,073), 8.7% of Canada (1:3,021), 3.5% of England (1:11,189), 1.7% of Haiti (1:4,397), 1.2% of Vietnam (1:56,908) and 1.1% of Australia (1:15,892).
https://en.wikipedia.org/wiki/Blanchard