Debby \d(eb)-by\ as a girl's name is a variant of Deborah (Hebrew), and the meaning of Debby is "bee".

The baby name Debby sounds like Debbi, Debbey and Debb. Other similar baby names are Abby, Delly, Bobby, Bebba, Dabny, Denay, Darby, Debs, Debra, Debor, Debi, Debee, Debbra, Debbie, Debbee, Deb, Denny, Deney, Derry, Libby, Rebba, Robby, Tabby and Tibby.