Definitions of Clair:

• name:  A male given name (rare: 1 in 12500 males; popularity rank in the U.S.: #754)
• name:  A female given name (rare: 1 in 33333 females; popularity rank in the U.S.: #1942)
• name:  A surname (rare: 1 in 50000 families; popularity rank in the U.S.: #7493)