Bailley \ba(il)-ley\ as a girl's name is a variant of Bailey (Old English), and the meaning of Bailley is "berry clearing; bailiff; city fortification".

The baby name Bailley sounds like Bailly and Billey. Other similar baby names are Bayley, Baily, Baillie, Bailie, Bailei, Bailee, Bazille, Basille, Billy, Calley, Kalley, Kailey, Cailey, Hailey, Halley, Kaylley, Lilley, Railey, Reilley, Salley, Talley, Tilley, Valley and Billee.