Save Type Surname (from nickname) Usage Irish (Anglicized) Pronounced Pron. /ˈɡli.sən/ [key·simplify] Meaning & History Anglicized form of Irish Ó Glasáin, from a diminutive of glas "green, blue, gray"
indicate the level to which a name has been verified. indicate the level to which a name has been verified. indicate the level to which a name has been verified.