The name Thibault is a boy's name of French origin meaning "courageous people". Thibault and is often added to lists like Unique Baby Names: Unusual and Rare and discussed in our forums with posts like "Picky Parents BNG".
From the experts:
Pronounced TEE-bow, this version, which is also a very common surname in France, has a lot more charm than the name it derives from — Theobald. A variant spelling is Thibaut.
Trivia tidbit: Thibault is the name of a minor character in Peanuts.