Ashley is derived from the Old English words æsc (ash) and lēah (forest glade). It originally referred to a meadow where ash trees were found, and then became an English family name. Origin: At first a place name, Ashley was used as an English surname and then as a given name. Ashley is a christian girl name and it is an English originated name with multiple meanings. Ashley name meaning is which means ash tree meadow and the associated lucky number is 7.