On the death of the Parish Priest, Archdeacon O'Neill, in 1909, the parish was divided again, a new Union of Coolock and Raheny (including Killester, and with the chaplaincy of Artaine Industrial School attached) was erected, with the first parish priest of this entity being Patrick Doyle.
On 29 March 1954, the Raheny Parish Committee under Union Parish Priest Fr.