Gill \gi-ll\ as a girl's name (also used as boy's name Gill), is a variant of Gilberte (Old German) and Gillian (Latin), and the meaning of Gill is "bright promise; youthful".

The baby name Gill sounds like Gaill, Gila, Gilly and Jill. Other similar baby names are Gale, Gal, Gaila, Gail, Gael, Dell, Ailli, Aila, Aili, Dilla, Dila, Milly, Bell, Willa, Billy, Billi, Billa, Milli, Mille, Milla, Sile, Cilly, Cilla, Cili, Cile, Nell, Lila, Dilli, Doll, Eila, Eily, Gina, Gala, Gayll, Gaile, Gahl, Galla, Geila, Gilah, Gillan, Gita, Gia, Gigi, Gilda, Gilia, Gillie, Giza, Giula, Hilly, Hille, Jyll, Jilly, Jilli, Jil, Lily, Lilly, Lilli, Lili, Lilla, Lil, Poll, Moll, Tilly, Tilli, Mila, Nila, Fila, Rilla, Teill, Willy, Zilla and Zila.