What's wrong with you all....just because it says Commercial Buildings.
You are hoping that they were born with a sliver spoon in their mouths.
Just checked 1901 Census returns of Clontarf produced by the Raheny Heritage Society. It contains no LALER but has some O'SULLIVANS
Bessie O'Sullivan,Servant,RC,21,Domestic,Kerry, Conquer Hill Cottages
Ellen O'Sullivan,Head,RC,25,Dublin City, St Annes Villas
John F O'Sullivan,Head,RC,76,Annuities Land,Kilkenny,St Johns Terrace.
Sarah O'Sullivan, wife, RC, 70, Dublin, St Johns Terrace.
Thomas D O'Sullivan, Son, RC, 18, Scholar, Dublin, St Johns Terrace
Michael O'Sullivan, Head, RC, 48, Inspector National School, Kerry, St Lawerance Road,
Kate O'Sullivan, Wife, RC, 35, Bandon Co Cork, St Lawerance road
Eugene O'Sullivan, Son, RC, 9, Scholar, Cork, St Lawerance Road
Regards
Noel