Shillelagh (Irish: Síol Éalaigh) is a barony in County Wicklow, Republic of Ireland.
Shillelagh barony derives its name from the Síol Elaigh, a local people who claimed descent from Élothach mac Fáelchon, and from the village of Shillelagh.[1]
Shillelagh barony is located in southwest County Wicklow.
Derived from Síol Elaigh, meaning descendants of Ealach. O'Dunlaing (O'Dowling) was noted as a chief of Síl n-Elathaig, a branch of the Síl Mella. The Ua Tuathail (O'Tooles) were driven here in the late 12th century, following the Cambro-Norman invasion.[2]
Below is a list of settlements in Shillelagh barony: