De Stábaltún
de STÁBALTÚN—XI—de Stapeltoun, de Stapulton, Stapelton, Stapleton; Norman 'de Stapeltoun,' i.e., of Stapleton, a common English place-name; the name of an old and distinguished Anglo-Norman family who settled, soon after the invasion, in Kilkenny and Tipperary. They assumed the Irish surname of Mac an Ghaill (which see), but were also called Galldubh, which see.
Alphabetical Index to Irish Surnames