See also the related category american.
Boo is not often used as a baby girl name. It is not listed within the top 1000.
Baby names that sound like Boo include Bab (English), Babb (English), Babe (English), Bae, Bai, Baj, Baje, Bao (Chinese and Vietnamese), Bay, Baye, Bea (English, German, and Spanish), Beah, Beau, Bee (English), Bev (English), Bha, Biff (English), Bo (Dutch, German, and Spanish), Bobbe, and Bow.
† English pronunciation for Boo: B as in "be (B.IY)" ; UW as in "two (T.UW)"