Gilley \gi(l)-ley\ as a boy's name is a variant of Gill (Irish, Gaelic), and the meaning of Gilley is "servant".

The baby name Gilley sounds like Colley, Culley, Gaille, Kelley and Kiley. Other similar baby names are Gillby, Gillbey, Gilbey, Gilles, Gillen and Willey.