Gaell \ga(e)-ll\ as a boy's name is a variant of Gale (Irish, Gaelic, Old English), and the meaning of Gaell is "foreigner; cheerful, happy".

The baby name Gaell sounds like Gael, Gaill, Gaelle and Gall. Other similar baby names are Bell, Buell, Cabell, Cadell, Cael, Capell, Dael, Dell, Euell, Gable, Gaer, Gal, Gayle, Gaile, Gaille, Gail, Gaelan, Galil, Galo, Gallo, Galt, Gamal, Gamul, Gamel, Gill, Hall, Jael, Yael, Joell, Kael, Kell, Pell, Pall and Vaill.