Kaylley \ka(yl)-ley\ as a girl's name is a variant of Kaylee (Gaelic), and the meaning of Kaylley is "slender".

The baby name Kaylley sounds like Kalley, Kayley and Keylley. Other similar baby names are Bayley, Bailley, Calley, Kally, Kallee, Kalle, Kaley, Kahley, Kaysey, Kaycey, Kailey, Cayley, Gaylle, Hayley, Halley, Kayllie, Karley, Kaylla, Kaylie, Kayle, Kaylei, Kayleen, Kaylea, Kaeley, Kaylen, Keyley, Kelley, Kyley, Salley, Talley and Valley.