It is a nickname for the name Gabriel Gabriela, usually a girl's name. For males, the nickname would be Gabe.
Gaby Albrecht's birth name is Gaby Mller.
Gaby Hanna's birth name is Gaby Gabra Henry Hanna.
Gaby Rodgers's birth name is Gabrielle Rosenberg.
Gaby Sylvia's birth name is Zignani, Gabriella.
Gaby Casadesus's birth name is Gabrielle L'Hote.
Gaby Chavez's birth name is Gabriela Chavez.
Gaby Monet's birth name is Marilyn Lagoria.
Gaby Medina's birth name is Gabriela Medina.
Gaby Jacoby's birth name is Gabriele Jacoby.
Frank Gaby's birth name is Frank Gabay.
Gaby Macias's birth name is Gabriela Macias.
Gaby Basset's birth name is Basset, Marie-Louise.