| a/k/a | also known as |
AB | Alberta (CAN) |
| ab | son of (W. preceding vowel names) |
ABA | American Bar Association |
| ABCFM | American Board of Commissioners for Foreign Missions |
ABD | Aberdeenshire (SCT) |
| abd | aboard |
AD | Anno Domini (year of the Lord) |
| ADC | aide-de-camp |
adm: | estate administrator application, named or undertaken |
| AF | Ancestry File (LDS) |
AFAIK | as far as is known |
| AG | Attorney General |
AGY | Anglesey (WLS) |
| ALD | Alderney (CHI) |
AMA | American Medical Association |
| ANS | Angus (SCT) |
ANS | Forfarshire (SCT) |
| ANT | Antrim (ULS) |
ap | son of (W. preceding consonental names) |
| AR7 | Weis's "Ancestral Roots" (7th ed.) |
ARL | Argyllshire (SCT) |
| ARM | Armagh (ULS) |
AS | Africa Star |
| ASC | Anglo-Saxon Chronicles |
BAN | Banffshire (SCT) |
| Bart | Baronet |
BC | British Columbia (CAN) |
| BCE | before Common Era |
BDF | Bedfordshire (ENG) |
| BEW | Berwickshire (SCT) |
BKM | Buckinghamshire (ENG) |
| BP | before present |
BP | Burke's "Peerage" |
| bp: | baptized |
BRE | Brecknockshire (WLS) |
| BRK | Berkshire (ENG) |
Bss | Baroness |
| Bt | Baronet |
btr: | betrothal |
| BTW | by the way |
bur: | buried |
| BUT | Buteshire (SCT) |
BWM | British War Medal |
| BYU | Brigham Young University |
CAE | Cærnarvonshire (WLS) |
| CAI | Caithness-shire (SCT) |
CAM | Cambridgeshire (ENG) |
| CAN | Canada |
CAR | Carlow (IRL) |
| CAV | Cavan (IRL) |
CB | Companion of the Order of the Bath |
| CBE | Commander of the Most Excellent Order of the British Empire |
CCN | Century Cyclopedia of Names |
| Cdre | Commodore |
CE | Common Era |
| CEO | Chief Executive Officer |
CGN | Cardiganshire (WLS) |
| CH | Companion of Honour |
CHI | Channel Isles (Great Britain) |
| CHS | Cheshire (ENG) |
CIA | Central Intelligence Agency (U.S.) |
| CIE | Companion of the Order of the Indian Empire |
CLA | Clare (IRL) |
| CLK | Clackmannanshire (SCT) |
CMG | Companion of the Order of St Michael and St George |
| CMH | Cambridge Modern History; ~ Mediæval ~ |
CMH | Congressional Medal of Honor (USA) |
| CMN | Carmarthenshire (WLS) |
CON | Cornwall (ENG) |
| COR | Cork (IRL) |
CP | Complete Peerage |
| CSA | Confederate States of America |
CSI | Companion of the Order of the Star of India |
| CSS | Cascaded Style Sheets |
Css | Countess |
| Ct | Count |
Cte | Compte (Fr. Count) |
| Cts | Comptes (Fr. Countess) |
CUL | Cumberland (ENG) |
| CVO | Commander of the Royal Victorian Order |
d.um: | died unmarried |
| DA | District Attorney |
DAR | Daughters of the American Revolution |
| DBC | Dame Commander of the Order of the Bath |
DBE | Dame of the Most Excellent Order of the British Empire |
| DBY | Derbyshire (ENG) |
DCCBR | Commemorative Biographical Record of Dutchess County (1897) |
| DCMG | Dame Commander of the Order of St Michael and St George |
DCVO | Dame Commander of the Royal Victorian Order |
| DD | Doctor of Divinity |
DEN | Denbighshire (WLS) |
| DEU | Germany |
DEV | Devonshire (ENG) |
| DFS | Dumfriesshire (SCT) |
dist: | estate distribution |
| DM | Defence Medal |
DNB | Dunbartonshire (SCT) |
| DNK | Denmark |
dob | date of birth |
| dod | date of death |
DON | Donegal (IRL) |
| DOR | Dorset (ENG) |
DOW | a surname |
| DOW | Down (ULS) |
DPI | dots per inch |
| DSM | Distinguished Service Medal (USA) |
DSO | Distinguished Service Order |
| dsp: | decessit sine prole (died without issue) |
dspl: | died without legitimate issue |
| dspm: | died without surviving male issue |
dsps: | died without surviving issue |
| Dss | Duchess |
DST | Daylight Savings Time |
| DUB | Dublin (IRL) |
DUR | Durham (ENG) |
| dvm: | died in mother's lifetime |
dvp: | died in father's lifetime |
| dy: | died young |
EIC | East India Company (British) |
| ELN | East Lothian (SCT) |
en: | engagement |
| ENG | England, English |
ERY | YKS East Riding (ENG) |
| esp | especially |
esq | esquire |
| Esq | esquire |
ESS | Essex (ENG) |
| FAQ | Frequently Asked Question(s) |
fch | ferch (W. daughter of) |
| FER | Fermanagh (ULS) |
ff | and following (pages) |
| FGS | Family Group Sheet |
FGS | France & Germany Star |
| FIF | Fifeshire (SCT) |
FIN | Finland |
| fl. | flourished |
fl: | flourished |
| FLN | Flintshire (WLS) |
FLOTUS | First Lady of the United States |
| fnu | first name not known |
fr | from |
| FRA | France |
FRGS | Fellow of the Royal Geographical Society |
| FRN | Federal Reserve Note |
Frn | freiin (G. dau. of a Baron) |
| FRS | Fellow of the Royal Society |
Fst | Fürst (G. Prince) |
| FTM | FamilyTreeMaker® |
FTP | File Transfer Protocol |
| G.S. | gravestone |
GAL | Galway (IRL) |
| GAR | Grand Army of the Republic |
GB | Great Britain (from 1603, officially from 1707) |
| GBE | Knight/Dame of the Most Excellent Order of the British Empire |
GC | George Cross |
| GCB | Knight/Dame Grand Cross of the Order of the Bath |
GCIE | Knight Grand Commander of the Order of the Indian Empire |
| GCMG | Knight/Dame Grand Cross of the Order of St Michael and St George |
GCSI | Knight Grand Commander of the Order of the Star of India |
| GCVO | Knight/Dame Grand Cross of the Royal Victorian Order |
GED | GEnealogical Data (COMmunications) file |
| GEDCOM | GEnealogical Data COMmunications file |
Gf | Graf (G. Count) |
| GF | grandfather |
Gfn | Gräfin (G. Countess) |
| GGU | great great uncle |
GLA | Glamorgan (WLS) |
| GLC | GenealogyLibrary.com (familytreemaker.genealogy.com/_glc_/) |
GLS | Gloucestershire (ENG) |
| GM | grandmother |
GPC | Genealogical Publishing Co. (genealogical.com) |
| GPS | Global Positioning System |
GSY | Guernsey (CHI) |
| Gt | Great |
HAM | Hampshire (ENG) |
| HEF | Herefordshire (ENG) |
HMS | His (Her) Majesty's Ship (Brit.) |
| HQ | Heritage Quest online repository (persi.heritagequestonline.com) |
HR | House of Representatives |
| HRE | Holy Roman Empire/Emp-eror/-ress |
HRT | Hertfordshire (ENG) |
| HTML | HyperText Markup Language |
HTTP | HyperText Transfer Protocol |
| HUN | Hungary |
HUN | Huntingdonshire (ENG) |
| Ia | Infanta (Sp. Royal princess) |
IGI | International Genealogical Index (LDS) |
| IMDb | Internet Movie Database (www.imdb.com) |
IMHO | in my humble opinion |
| IMO | in my opinion |
inq: | inquest |
| INV | Inverness-shire (SCT) |
inv: | estate inventoried |
| IOM | Indian Order of Merit (Military) |
IOM | Isle Of Man (CHI) |
| IOW | Isle Of Wight (CHI) |
IRL | Ireland |
| IS | Italy Star |
ISBN | International Standard Book Number |
| ISL | Iceland |
ISO | Imperial Service Order |
| IT | Indian Territory (US) |
ITA | Italy |
| JP | Justice of the Peace |
JSY | Jersey (CHI) |
| KBE | Knight of the Most Excellent Order of the British Empire |
KC | King's Counsel |
| KCB | Knight Commander of the Order of the Bath |
KCD | Kincardineshire (SCT) |
| KCIE | Knight Commander of the Order of the Indian Empire |
KCMG | Knight Commander of the Order of St Michael and St George |
| KCSI | Knight Commander of the Order of the Star of India |
KCVO | Knight Commander of the Royal Victorian Order |
| KEN | Kent (ENG) |
KER | Kerry (IRL) |
| KG | Knight of the Order of the Garter |
KIA | Killed In Action |
| KID | Kildare (IRL) |
KIK | Kilkenny (IRL) |
| KKD | Kirkcudbrightshire (SCT) |
KP | Knight of the Most Illustrious Order of Saint Patrick |
| KRS | Kinross-shire (SCT) |
Kt | Knight |
| KT | Knight of the Most Ancient and Most Noble Order of the Thistle |
LAN | Lancashire (ENG) |
| LC | Library of Congress (US) (www.LoC.gov) |
Ldgve | Landgrave |
| LDS | Church of Latter Day Saints (Mormon) |
LDY | Londonderry (ULS) |
| LEI | Leicestershire (ENG) |
LET | Leitrim (IRL) |
| LEX | Leix/Queens (IRL) |
LG | Lady of the Order of the Garter |
| LIM | Limerick (IRL) |
LIN | Lincolnshire (ENG) |
| liv: | living; was alive in |
LKS | Lanarkshire (SCT) |
| LND | London (City only) (ENG) |
lnu | last name not known |
| LoC | Library of Congress (US) (www.LoC.gov) |
LOG | Longford (IRL) |
| LOU | Louth (IRL) |
LP | Lady of the Most Illustrious Order of Saint Patrick |
| LT | Lady of the Most Ancient and Most Noble Order of the Thistle |
LVO | Lieutenant of the Royal Victorian Order |
| ma: | marriage agreement, contract |
MAY | a surname |
| MAY | Mayo (IRL) |
MB | Manitoba (CAN) |
| mb: | marriage banns published |
MBC | Massachusetts Bay Colony |
| MBE | Member of The Most Excellent Order of the British Empire |
MC | member of Congress (US) |
| MC | Military Cross |
MC | Weis's "Magna Charta Sureties" |
| mc: | marriage certificate |
MCS | Weis's "Magna Charta Sureties" |
| MD | a state, Maryland |
MD | Medical Doctor |
| md: | marriage dispensation |
MDX | Middlesex (ENG) |
| MEA | Meath (IRL) |
MER | Merionethshire (WLS) |
| mfgr | manufacturer |
Mgve | Margrave |
| MGY | Montgomeryshire (WLS) |
mi: | marriage intentions |
| MIA | Missing In Action |
Mkgf | Markgraf (G. Margrave) |
| ml: | marriage license |
MLN | Midlothian (SCT) |
| MLNFA | Moved Left No Forwarding Address |
MM | Monthly Meeting (Quaker) |
| MOA | Making of America |
MOF | Presidential Medal of Freedom (USA) |
| MOG | Monanghan (IRL) |
MOH | Congressional Medal of Honor (USA) |
| MON | Monmouthshire (WLS) |
MOR | Morayshire (SCT) |
| MP | Member of Parliament |
MP | motion picture |
| mp: | marriage published |
msp: | marriage /sin prole/ (without issue) |
| MVO | Member of the Royal Victorian Order |
mx: | marriage by proxy |
| NAI | Nairnshire (SCT) |
NAVBAR | NAVigation ToolBAR |
| NB | New Brunswick (CAN) |
NBL | Northumberland (ENG) |
| NEHGR | New England Historical and Genealogical Register, a/k/a the Register |
NEHGS | New England Historical and Genealogical Society |
| NEXUS | A NEHGS publication |
NF | Newfoundland (CAN) |
| NFK | Norfolk (ENG) |
NGS | National Gealogical Society |
| NGS | National Geographic Society |
NGSQ | National Gealogical Society Quarterly |
| NHC | New Haven Colony |
NLD | Netherlands/Holland |
| NOR | Norway |
nr | near |
| NRY | YKS North Riding (ENG) |
NS | Nova Scotia (CAN) |
| NSFC | National Society of Film Critics |
nsn | no surname |
| NT | Northwest Territories (CAN) |
NTH | Northamptonshire (ENG) |
| NTT | Nottinghamshire (ENG) |
nxn | no Christian name (no given name) |
| NYC | New York City |
NYGBR | New York Genealogical & Biographical Register |
| NYGBS | New York Genealogical & Biographical Society |
OBE | Officer of the Most Excellent Order of the British Empire |
| obit: | obituary publication |
OCH | Order of the Companions of Honor |
| ODNB | Oxford Dictionary of National Biography |
ODT | Outline Descent Tree |
| OFF | Offaly/Kings (IRL) |
OKI | Orkney Isles (SCT) |
| OM | Order of Merit |
ON | Ontario (CAN) |
| OXF | Oxfordshire (ENG) |
PC | Quebec (CAN) |
| PE | Prince Edward Island (CAN) |
PEE | Peebles-shire (SCT) |
| PEI | Prince Edward Island (CAN) |
PEM | Pembrokeshire (WLS) |
| PER | Perthshire (SCT) |
Pfgf | Pfalzgraf (G. Count-Palatine) |
| Pfgfn | Pfalzgräfin (G. Countess-Palantine) |
Pl | Plantation |
| PMHB | Pennsylvania Magazine of History and Biography |
POL | a surname, e.g. St POL |
| POL | Poland |
POTUS | President of the United States |
| POW | Prisoner of War |
PRF | Pedigree Resource File (LDS) |
| Pss | Princess |
QC | Quebec (CAN) |
| QC | Queen's Counsel |
QSAM | Queen's South Africa Medal |
| QSM | Queen's Sudan Medal |
RAD | Radnorshire (WLS) |
| RAD | Rod Dav4is |
RCC | Roman Catholic Church |
| RDC | Reformed Dutch Church |
REP | Member of the US House of Representaves |
| res: | resides -ed |
RFC | Royalty for Commoners |
| RFW | Renfrewshire (SCT) |
RMS | Royal Mail Steamship (Brit.) |
| RN | Royal Navy (Brit.) |
ROC | Ross & Cromarty (SCT) |
| ROS | a surname = ROOS |
ROS | Roscommon (IRL) |
| ROX | Roxburghshire (SCT) |
RR | railroad |
| RUT | Rutland (ENG) |
SAG | Screen Actors Guild |
| SAL | Shropshire (ENG) |
SC | Society of the Cincinnati |
| SCT | Scotland |
SDA | Seventh Day Adventist church |
| SEL | Selkirkshire (SCT) |
SEN | Member of the US Senate |
| SFK | Suffolk (ENG) |
SHI | Shetland Isles (SCT) |
| SJ | Society of Jesus (Jesuit) |
SK | Saskatchewan (CAN) |
| SLI | Sligo (IRL) |
sn | Signor |
| snu | surname not known |
soa | sin otro apellido (L. no other surname) |
| SOM | Somerset (ENG) |
SRK | Sark (CHI) |
| SRY | Surry (ENG) |
SSDI | Social Security Death Index (U.S.A.) |
| SSX | Sussex (ENG) |
STI | Stirlingshire (SCT) |
| STS | Staffordshire (ENG) |
SUT | Sutherland (SCT) |
| SWE | Sweden |
TAG | The American Genealogist |
| TBD | to de done/determined |
TCN | The Connecticut Nutmegger |
| temp | tempore (in the time of) |
TG | The Genealogist [NY & Salt Lake City] |
| TIP | Tipperary (IRL) |
TOC | Table of Contents |
| TQ | Tyler's Quarterly |
Twp | Township |
| TYR | Tyrone (ULS) |
UK | United Kingdom (ENG, SCT, WLS + ULS) |
| ULS | Ulster (Northern Ireland) |
USA | United States Army |
| USA | United States of America |
USMC | United States Marine Corps |
| USN | United States Navy |
USN | United States Navy |
| USS | United States Ship |
V:1812 | Veteran of War of 1812 (1812-1815) |
| V:7YW | Veteran of the Seven Years War [1754, 1756-1763]; in America: the French and Indian War |
V:CSA | Confederate Veteran of American Civil War (1861-1865) |
| V:CW | Veteran of American Civil War (1861-1865) |
V:FIW | Veteran of French and Indian War (1754-1763) |
| V:KPW | Veteran of King Philip's War (1675-1676) |
V:PW | Veteran of Pequot War (1637) |
| V:RW | Veteran of American Revolutionary War (1775-1783) |
V:SAW | Veteran of Spanish-American War (1898) |
| V:WW1 | Veteran of World War I (1914-1918) |
V:WW2 | Veteran of World War II (1939-1945) |
| VC | Victoria Cross |
vch | verch (W. daughter of) |
| Vcte | Vicomte (Fr. Viscount) |
Vcts | Viscountess |
| VHM | Virginia Historical Magazine |
VM | Victory Medal |
| W3C | World Wide Web Consortium (www.w3.org) |
WAR | Warwickshire (ENG) |
| WAT | Waterford (IRL) |
WC | WorldConnect online repository (wc.rootsweb.ancestry.com) |
| wd: | will dated |
WEM | Westmeath (IRL) |
| WES | Westmoreland (ENG) |
WEX | Wexford (IRL) |
| WF | Banks's "The Winthrop Fleet" |
WFT | World Family Tree® |
| WIC | Wicklow (IRL) |
WIG | Wigtownshire (SCT) |
| WIL | Wiltshire (ENG) |
WLN | West Lothian (SCT) |
| WLS | Wales |
WM | War Medal |
| WOR | Worcestershire (ENG) |
wp: | will proved/probated |
| wr: | will recorded |
WRY | YKS West Riding (ENG) |
| YKS | Yorkshire (ENG) |
YT | Yukon (CAN) |
| †: | cause of death |