Meaning and name origin
Gilley \gi(l)-ley\ as a boy's name is of Irish and Gaelic origin, and the meaning of Gilley is "servant". Gilley is a variant of Gill (Irish, Gaelic): also a short form of Irish names that begin with Gil-.
Gilley is not a popular first name for males but a very popular surname or last name for all people (#2839 out of 88799, Top 3%) (2000 U.S. Census).
Displayed below is the baby name popularity of the name Gilley for boys. Gilley has not been ranked in the Top 1000/100 so far. (2014 statistics).