Lothian OKI Orkney Isles SHI Shetland Isles STD Strathclyde TAY Tayside WIS Western Isles Wales Historic counties AGY Anglesey BRE Brecknockshire CAE Caernarfonshire CGN Cardiganshire CMN Carmarthenshire DEN Denbighshire FLN Flintshire GLA Glamorgan MER Merionethshire MON Monmouthshire MGY Montgomeryshire PEM Pembrokeshire RAD Radnorshire 1974–1996 CWD Clwyd DFD Dyfed GNT Gwent GWN Gwynedd MGM Mid Glamorgan POW Powys SGM South Glamorgan WGM West Glamorgan Northern Ireland ANT Antrim ARM Armagh DOW Down FER Fermanagh LDY Londonderry TYR Tyrone Ireland CAR Carlow CAV Cavan CLA Clare COR Cork DON Donegal DUB Dublin GAL Galway KER Kerry KID Kildare KIK Kilkenny LET Leitrim LEX Leix (formerly Queen's) LIM Limerick LOG Longford LOU Louth MAY Mayo MEA Meath MOG Monaghan OFF Offaly (formerly King's) ROS Roscommon SLI Sligo TIP Tipperary WAT Waterford WEM Westmeath WEX Wexford WIC Wicklow See also Historic counties of England Historic counties of Scotland Historic counties of Wales Counties of Northern Ireland References The Chapman County Code for British Isles Counties, Lochin Publishing, accessed 13 October 2019 Geocodes British genealogy Irish genealogy