| Avon [from 1974] |
AVN |
| Bedfordshire |
BDF |
| Berkshire |
BRK |
| Buckinghamshire |
BKM |
| Cambridgeshire |
CAM |
| Cheshire |
CHS |
| Cleveland [from 1974] |
CLV |
| Cornwall |
CON |
| Cumberland [until 1974] |
CUL |
| Cumbria [from 1974] |
CMA |
| Derbyshire |
DBY |
| Devon |
DEV |
| Dorset |
DOR |
| Durham |
DUR |
| East Riding of Yorkshire [until 1974] |
ERY |
| East Sussex [from 1974] |
SXE |
| Essex |
ESS |
| Gloucestershire |
GLS |
| Greater Manchester [from 1974] |
GTM |
| Hampshire |
HAM |
| Hereford & Worcester [from 1974] |
HWR |
| Herefordshire [until 1974] |
HEF |
| Hertfordshire |
HRT |
| Humberside [from 1974] |
HUM |
| Huntingdonshire [until 1974] |
HUN |
| Isle Of Man |
IOM |
| Isle of Wight (HAM) |
IOW |
| Kent |
KEN |
| Lancashire |
LAN |
| Leicestershire |
LEI |
| Lincolnshire |
LIN |
| London |
LND |
| Merseyside [from 1974] |
MSY |
| Middlesex [until 1974] |
MDX |
| Norfolk |
NFK |
| North Riding of Yorkshire [until 1974] |
NRY |
| North Yorkshire [from 1974] |
NYK |
| Northamptonshire |
NTH |
| Northumberland |
NBL |
| Nottinghamshire |
NTT |
| Oxfordshire |
OXF |
| Rutlandshire [until 1974] |
RUT |
| Shropshire |
SAL |
| Somerset |
SOM |
| South Yorkshire [from 1974] |
SYK |
| Staffordshire |
STS |
| Suffolk |
SFK |
| Surrey |
SRY |
| Sussex [until 1974] |
SSX |
| Tyne & Wear [from 1974] |
TWR |
| Warwickshire |
WAR |
| West Midlands [from 1974] |
WMD |
| West Riding of Yorkshire [until 1974] |
WRY |
| West Sussex [from 1974] |
SXW |
| West Yorkshire [from 1974] |
WYK |
| Westmorland [until 1974] |
WES |
| Wiltshire |
WIL |
| Worcestershire [until 1974] |
WOR |
| Yorkshire [until 1974] |
YKS |
| Yorkshire, East Riding [until 1974] |
ERY |
| Yorkshire, North Riding [until 1974] |
NRY |
| Yorkshire, West Riding [until 1974] |
WRY |
| Anglesey [until 1974] |
AGY |
| Breconshire [until 1974] |
BRE |
| Caernavonshire [until 1974] |
CAE |
| Cardiganshire [until 1974] |
CGN |
| Carmarthenshire [until 1974] |
CMN |
| Clwyd [from 1974] |
CWD |
| Denbighshire [until 1974] |
DEN |
| Dyfed [from 1974] |
DFD |
| Flint [until 1974] |
FLN |
| Glamorganshire [until 1974] |
GLA |
| Gwent [from 1974] |
GNT |
| Gwynedd [from 1974] |
GWN |
| Merionethshire [until 1974] |
MER |
| Mid Glamorgan [from 1974] |
MGM |
| Monmouthshire [until 1974] |
MON |
| Montgomeryshire [until 1974] |
MGY |
| Pembrokeshire [until 1974] |
PEM |
| Powys [from 1974] |
POW |
| Radnorshire [until 1974] |
RAD |
| South Glamorgan [from 1974] |
SGM |
| West Glamorgan [from 1974] |
WGM |
| Aberdeenshire [until 1975] |
ABD |
| Angus [until 1975] |
ANS |
| Argyllshire [until 1975] |
ARL |
| Ayrshire [until 1975] |
AYR |
| Banffshire [until 1975] |
BAN |
| Berwickshire [until 1975] |
BEW |
| Borders (from 1975) |
BOR |
| Bute [until 1975] |
BUT |
| Caithness-shire [until 1975] |
CAI |
| Central Region (from 1975) |
CEN |
| Clackmannanshire [until 1975] |
CLK |
| Dumfries & Galloway (from 1975) |
DGY |
| Dumfriesshire [until 1975] |
DFS |
| Dunbartonshire [until 1975] |
DNB |
| East Lothian (Haddington) [until 1975] |
ELN |
| Edinburgh (see Midlothian) [until 1975] |
MLN |
| Elgin (see Moray) [until 1975] |
MOR |
| Fife |
FIF |
| Forfar (see Angus) [until 1975] |
ANS |
| Grampian (from 1975) |
GMP |
| Haddington (see East Lothian) [until 1975] |
ELN |
| Highland (from 1975) |
HLD |
| Inverness-shire [until 1975] |
INV |
| Kincardineshire (Mearns) [until 1975] |
KCD |
| Kinross-shire [until 1975] |
KRS |
| Kirkcudbrightshire [until 1975] |
KKD |
| Lanarkshire [until 1975] |
LKS |
| Linlithgow (see West Lothian) [until 1975] |
WLN |
| Lothian (from 1975) |
LTN |
| Mearns (see Kincardineshire) [until 1975] |
KCD |
| Midlothian [until 1975] |
MLN |
| Moray [until 1975] |
MOR |
| Nairnshire [until 1975] |
NAI |
| Orkney Isles |
OKI |
| Peebleshire [until 1975] |
PEE |
| Perthshire [until 1975] |
PER |
| Renfrewshire [until 1975] |
RFW |
| Ross & Cromarty [until 1975] |
ROC |
| Roxburghshire [until 1975] |
ROX |
| Selkirkshire [until 1975] |
SEL |
| Shetland Isles |
SHI |
| Stirlingshire [until 1975] |
STI |
| Strathclyde (from 1975) |
STD |
| Sutherland [until 1975] |
SUT |
| Tayside (from 1975) |
TAY |
| West Galloway (see Wigtownshire) [until 1975] |
WIG |
| West Lothian [until 1975] |
WLN |
| Western Isles (from 1975) |
WIS |
| Wigtownshire (West Galloway) [until 1975] |
WIG |
| Zetland (see Shetland Isles) [until 1975] |
SHI |
| Antrim [NIR from 1922] |
ANT |
| Armagh [NIR from 1922] |
ARM |
| Carlow [EIR from 1922] |
CAR |
| Cavan [EIR from 1922] |
CAV |
| Clare [EIR from 1922] |
CLA |
| Cork [EIR from 1922] |
COR |
| Derry (see Londonderry) [NIR from 1922] |
LDY |
| Donegal [EIR from 1922] |
DON |
| Down [NIR from 1922] |
DOW |
| Dublin [EIR from 1922] |
DUB |
| Fermanagh [NIR from 1922] |
FER |
| Galway [EIR from 1922] |
GAL |
| Kerry [EIR from 1922] |
KER |
| Kildare [EIR from 1922] |
KID |
| Kilkenny [EIR from 1922] |
KIK |
| Kings (see Offaly) [EIR from 1922] |
OFF |
| Laois (see Leix(Queens)) [EIR from 1922] |
LEX |
| Leitrim [EIR from 1922] |
LET |
| Leix (Laois, Queens) [EIR from 1922] |
LEX |
| Limerick [EIR from 1922] |
LIM |
| Londonderry [NIR from 1922] |
LDY |
| Longford [EIR from 1922] |
LOG |
| Louth [EIR from 1922] |
LOU |
| Mayo [EIR from 1922] |
MAY |
| Meath [EIR from 1922] |
MEA |
| Monoghan [EIR from 1922] |
MOG |
| Offaly (Kings) [EIR from 1922] |
OFF |
| Queens (see Leix) [EIR from 1922] |
LEX |
| Roscommon [EIR from 1922] |
ROS |
| Sligo [EIR from 1922] |
SLI |
| Tipperary [EIR from 1922] |
TIP |
| Tyrone [NIR from 1922] |
TYR |
| Waterford [EIR from 1922] |
WAT |
| Westmeath [EIR from 1922] |
WEM |
| Wexford [EIR from 1922] |
WEX |
| Wicklow [EIR from 1922] |
WIC |
| Alderney (CHI) |
ALD |
| Arran (SCT: Bute) [until 1975] |
BUT |
| Guernsey (CHI) |
GSY |
| Islay (SCT: Argyll) [until 1975] |
ARL |
| Isle of Man |
IOM |
| Isle of Wight - part of Hampshire (HAM) |
IOW |
| Jersey (CHI) |
JSY |
| Jura (SCT: Argyll) [until 1975] |
ARL |
| Lewis - part (SCT: Inverness-shire) [until 1975] |
INV |
| Lewis - part (SCT: Ross & Cromarty) [until 1975] |
ROC |
| Mull (SCT: Argyll) [until 1975] |
ARL |
| North Uist (SCT: Inverness-shire) [until 1975] |
INV |
| Orkney Isles (SCT) |
OKI |
| Sark (CHI) |
SRK |
| Scilly Isles - part of Cornwall |
CON |
| Shetland Isles (SCT) |
SHI |
| Skye (SCT: Inverness-shire) [until 1975] |
INV |
| South Uist (SCT: Inverness-shire) [until 1975] |
INV |
| All (One-Name Study) |
ALL |
| Anywhere |
ANY |
| At Sea |
SEA |
| Unknown |
UNK |
| Afghanistan |
AFG |
| Albania |
ALB |
| Algeria |
DZA |
| American Samoa |
ASM |
| Andorra |
AND |
| Angola |
AGO |
| Anguilla |
AIA |
| Antarctica |
ATA |
| Antigua and Barbuda |
ATG |
| Argentina |
ARG |
| Armenia |
ARM |
| Aruba |
ABW |
| Australia |
AUS |
| Austria |
AUT |
| Azerbaijan |
AZE |
| Bahamas |
BHS |
| Bahrain |
BHR |
| Bangladesh |
BGD |
| Barbados |
BRB |
| Belarus |
BLR |
| Belgium |
BEL |
| Belize |
BLZ |
| Benin |
BEN |
| Bermuda |
BMU |
| Bhutan |
BTN |
| Bolivia |
BOL |
| Bosnia and Herzegovina |
BIH |
| Botswana |
BWA |
| Bouvet Island |
BVT |
| Brazil |
BRA |
| British Indian Ocean Territory |
IOT |
| British West Indies |
BWI |
| Brunei Darussalam |
BRN |
| Bulgaria |
BGR |
| Burkina Faso |
BFA |
| Burma |
MMR |
| Burundi |
BDI |
| Cambodia |
KHM |
| Cameroon |
CMR |
| Canada |
CAN |
| Cape Verde |
CPV |
| Cayman Islands |
CYM |
| Central African Republic |
CAF |
| Central America |
CAM |
| Chad |
TCD |
| Channel Islands |
CHI |
| Chile |
CHL |
| China |
CHN |
| Christmas Island |
CXR |
| Cocos (Keeling) Islands |
CCK |
| Colombia |
COL |
| Comoros |
COM |
| Congo |
COG |
| Cook Islands |
COK |
| Costa Rica |
CRI |
| Cote D'ivoire |
CIV |
| Croatia (Local Name: Hrvatska) |
HRV |
| Cuba |
CUB |
| Cyprus |
CYP |
| Czechoslovakia |
CSK |
| Czech Republic |
CZE |
| Denmark |
DNK |
| Djibouti |
DJI |
| Dominica |
DMA |
| Dominican Republic |
DOM |
| Dutch New Guinea |
DNG |
| East Indies (see Indonesia) |
IDN |
| East Timor (formerly "TMP" pre 2002) |
TLS |
| Ecuador |
ECU |
| Egypt |
EGY |
| Eire (from 1922) |
EIR |
| El Salvador |
SLV |
| England |
ENG |
| Equatorial Guinea |
GNQ |
| Eritrea |
ERI |
| Estonia |
EST |
| Ethiopia |
ETH |
| Falkland Islands (Malvinas) |
FLK |
| Faroe Islands |
FRO |
| Fiji |
FJI |
| Finland |
FIN |
| France |
FRA |
| France, Metropolitan |
FXX |
| French Guiana |
GUF |
| French Polynesia |
PYF |
| French Southern Territories |
ATF |
| Gabon |
GAB |
| Gambia |
GMB |
| Georgia |
GEO |
| Germany (Deutschland) |
DEU |
| Ghana |
GHA |
| Gibraltar |
GIB |
| Great Britain |
GBR |
| Greece |
GRC |
| Greenland |
GRL |
| Grenada |
GRD |
| Guadeloupe |
GLP |
| Guam |
GUM |
| Guatemala |
GTM |
| Guinea |
GIN |
| Guinea-Bissau |
GNB |
| Guyana |
GUY |
| Haiti |
HTI |
| Heard Island & McDonald Islands |
HMD |
| Holland |
HOL |
| Honduras |
HND |
| Hong Kong |
HKG |
| Hungary |
HUN |
| Iceland |
ISL |
| India |
IND |
| Indonesia |
IDN |
| Iran, Islamic Republic of |
IRN |
| Iraq |
IRQ |
| Ireland |
IRL |
| Israel |
ISR |
| Italy |
ITA |
| Jamaica |
JAM |
| Japan |
JPN |
| Jordan |
JOR |
| Kazakhstan |
KAZ |
| Kenya |
KEN |
| Kiribati |
KIR |
| Korea, Democratic People's Republic of |
PRK |
| Korea, Republic of |
KOR |
| Kuwait |
KWT |
| Kyrgyzstan |
KGZ |
| Lao People's Democratic Republic |
LAO |
| Latvia |
LVA |
| Lebanon |
LBN |
| Lesotho |
LSO |
| Liberia |
LBR |
| Libyan Arab Jamahiriya |
LBY |
| Liechtenstein |
LIE |
| Lithuania |
LTU |
| Luxembourg |
LUX |
| Macau |
MAC |
| Macedonia, the Former Yugoslav Republic of |
MKD |
| Madagascar |
MDG |
| Malawi |
MWI |
| Malaysia |
MYS |
| Maldives |
MDV |
| Mali |
MLI |
| Malta |
MLT |
| Marshall Islands |
MHL |
| Martinique |
MTQ |
| Mauritania |
MRT |
| Mauritius |
MUS |
| Mayotte |
MYT |
| Mexico |
MEX |
| Micronesia, Federated States of |
FSM |
| Moldova, Republic of |
MDA |
| Monaco |
MCO |
| Mongolia |
MNG |
| Montserrat |
MSR |
| Morocco |
MAR |
| Mozambique |
MOZ |
| Myanmar |
MMR |
| Namibia |
NAM |
| Nauru |
NRU |
| Nepal |
NPL |
| Netherlands |
NLD |
| Netherlands Antilles |
ANT |
| New Caledonia |
NCL |
| New Zealand |
NZL |
| Nicaragua |
NIC |
| Niger |
NER |
| Nigeria |
NGA |
| Niue |
NIU |
| Norfolk Island |
NFK |
| Northern Ireland (from 1922) |
NIR |
| Northern Mariana Islands |
MNP |
| Norway |
NOR |
| Oman |
OMN |
| Pakistan |
PAK |
| Palau |
PLW |
| Panama |
PAN |
| Panama Canal Zone |
PCZ |
| Papua New Guinea |
PNG |
| Paraguay |
PRY |
| Peru |
PER |
| Philippines |
PHL |
| Pitcairn |
PCN |
| Poland |
POL |
| Portugal |
PRT |
| Puerto Rico |
PRI |
| Qatar |
QAT |
| Reunion |
REU |
| Romania (formerly "ROM" pre 2002) |
ROU |
| Russian Federation |
RUS |
| Rwanda |
RWA |
| Saint Kitts and Nevis |
KNA |
| Saint Lucia |
LCA |
| Saint Vincent and the Grenadines |
VCT |
| Samoa |
WSM |
| San Marino |
SMR |
| Sao Tome and Principe |
STP |
| Saudi Arabia |
SAU |
| Scotland |
SCT |
| Senegal |
SEN |
| Seychelles |
SYC |
| Sicily |
SIC |
| Sierra Leone |
SLE |
| Singapore |
SGP |
| Slovakia (Slovak Republic) |
SVK |
| Slovenia |
SVN |
| Solomon Islands |
SLB |
| Somalia |
SOM |
| South Africa (Zuid Afrika) |
ZAF |
| South America |
SAM |
| Spain (Espana) |
ESP |
| Sri Lanka |
LKA |
| Saint Helena |
SHN |
| Saint Pierre and Miquelon |
SPM |
| Sudan |
SDN |
| Suriname |
SUR |
| Svalbard and Jan Mayen Islands |
SJM |
| Swaziland |
SWZ |
| Sweden |
SWE |
| Switzerland |
CHE |
| Syrian Arab Republic |
SYR |
| Taiwan, Province of China |
TWN |
| Tajikistan |
TJK |
| Tanzania, United Republic of |
TZA |
| Thailand |
THA |
| Togo |
TGO |
| Tokelau |
TKL |
| Tonga |
TON |
| Trinidad and Tobago |
TTO |
| Tunisia |
TUN |
| Turkey |
TUR |
| Turkmenistan |
TKM |
| Turks and Caicos Islands |
TCA |
| Tuvalu |
TUV |
| Uganda |
UGA |
| Ukraine |
UKR |
| United Arab Emirates (Arab Emirates) |
ARE |
| United Kingdom |
GBR |
| United States Of America |
USA |
| United States, Minor Outlying Islands |
UMI |
| Uruguay |
URY |
| Uzbekistan |
UZB |
| Vanuatu |
VUT |
| Vatican City State (Holy See) |
VAT |
| Venezuela |
VEN |
| Viet Nam |
VNM |
| Virgin Islands (British) |
VGB |
| Virgin Islands (U.S.) |
VIR |
| Wales |
WLS |
| Wallis and Futuna Islands |
WLF |
| West Africa |
WAF |
| West Indies, British |
BWI |
| Western Sahara |
ESH |
| Yemen |
YEM |
| Yugoslavia |
YUG |
| Zaire |
ZAR |
| Zambia |
ZMB |
| Zimbabwe |
ZWE |