Kailie \ka(i)-lie\ as a girl's name is a variant of Cayla (Irish, Gaelic), and the meaning of Kailie is "slim and fair".

The baby name Kailie sounds like Kallie, Cailie, Kalie, Kaylie, Kaili, Kailee, Kaelie and Keilie. Other similar baby names are Bailie, Karlie, Kaitie, Kailin, Lailie and Zailie.