The name Thoreau is a boy's name of French origin. Thoreau and is often added to lists like American Names for Boys and discussed in our forums with posts like "A brother or sister for little Jack or Olivia".
From the experts:
This Unique-Baby-Names">unique baby name evokes the calm and tranquility of Henry David Thoreau's Walden Pond. While Thoreau does not have a specific meaning, sources say it's related to the names Terry, Thierry, Theodore, and Thor, which may mean "ruler of the people" or (in the case of the mythological Thor) "thunder".