US Popularity Rank: None

Origin: American

Meaning: Term of endearment

Boo is a gender-neutral name of American origin. A popular term of endearment during the 90s and early 2000s, Boo has become a name in its own right. Short and sweet, this cute moniker makes a playful choice for your little one. If you're a fan of animated films, you may recognize Boo as the young girl from Monsters, Inc. Whatever you take from it, a name like Boo is sure to make baby stand out from the crowd.