Motor Car Registration & Licence Order 1903 County Council of: Antrim I A Derry I W Armagh I B Longford I X Carlow I C Louth I Y Cavan I D Mayo I Z Clare I E Meath A I Cork I F Monaghan B I Donegal I H Queen’s County C I Down I J Roscommon D I Dublin I K Sligo E I Fermanagh I L Tipperary N. F I Galway I M Tipperary S. H I Kerry I N Tyrone J I Kildare I O Waterford K I Kilkenny I P West Meath L I King’s County I R Wexford M I Leitrim I T Wicklow N I Limerick I U Council of the Borough of: Belfast O I Limerick T I Cork P I Derry U I Dublin R I Waterford W I