You can see more info about the civil parish of Galey (in Kerry) at this link: https://www.townlands.ie/kerry/galey/
The surname Dillane (in Irish, Ó Duilleáin) originated in the area of north Kerry and west Limerick (the county boundaries were a later creation). Ó Duilleáin was sometimes anglicized as Dillon, but that is normally a different name (of Norman origin) found in a number of counties.