| Word/Phrase | Definition | Useage |
| å | at, on, to | Swedish |
| Abactor | Cattle thief | UK Occupation |
| Abigail | Lady's maid | UK Occupation |
| Ablepsy | Blindness | Medical |
| åbo | tenant farmer with conditional, inherited lease | Swedish |
| abril | April | Spanish |
| Abscess | Formation of pus in any part of the body, caused by infection | Scot.Dise 1855 |
| abstract | A summary of a particular record or document; usually contains only the most important information from the original document; may be used instead of original documents in genealogical research | Colonial Diseases |
| Abuela | Grandfather | Spanish |
| Abuelo | Grandmother | Spanish |
| Acater | Supplied food, provisions, e.g. Ship's Chandler. French - Achateur (buyer) | UK Occupation |
| Accipitary | Falconer | UK Occupation |
| Accomptant | Accountant | UK Occupation |
| Accoucheur | Assisted women in childbirth (midwife) | UK Occupation |
| Accoutrement Maker / Accoutre | Supplier or maker of Military Clothing and Accessories | UK Occupation |
| Ackerman/Acreman | Ploughman or Oxherd | UK Occupation |
| Acre | See measurements. | General |
| Acta de defunción | Death record | Spanish |
| Acta de matrimonio | Marriage record | Spanish |
| Acta de nacimiento | Birth record | Spanish |
| acte de décès | Death record | French |
| acte de mariage | Marriage record | French |
| acte de naissan | Birth record | French |
| Actuary | Accountant - public business account keeper | UK Occupation |
| adelsman | nobleman | Swedish |
| adlig | noble | Swedish |
| administration | Management and settlement of an estate | Colonial Diseases |
| Administrator | Court appointee who settled affairs of the estate of the deceased | UK Occupation |
| Administratrix | A female administrator. | General |
| adopterad | adopted | Swedish |
| adress | address | Swedish |
| adressbok | directory | Swedish |
| Advertisement Conveyancer | Sandwich Board Man | UK Occupation |
| Advocate Depute | Scottish Law Officer - Public Prosecutor | UK Occupation |
| Advocate | A barrister, a lawyer acting in a Law Court | Scot.Occup |
| Advowee | Usually a Nobleman who had the right to present a clergyman to a benefice | UK Occupation |
| Aeronaut | Balloonist or Trapeze Artist in circus or Music Hall | UK Occupation |
| Affeeror / Assessor | Also Assessor. Manorial Court Official - assessed monetary penalties & collected taxes & dues | UK Occupation |
| Affidavit | A statement in writing, sworn to before proper authority. | General |
| afton | evening | Swedish |
| Ag. Lab | Agricultural labourer | Scot.Occup |
| AG | The International Commission for the Accreditation of Professional Genealogists, internationally recognized as ICAPGenSM, administers the Accreditation Program. The Accreditation Program was established in 1964 by the Genealogical Department of The Church of Jesus Christ of Latter-day Saints. In 2000, the administration and ownership was transferred to ICAPGen. The Accreditation Program has been serving the public for over forty years. We invite you to visit our website, http://www.ICAPGen.org, to learn more about the program, and we would appreciate it if you would link the AG and Accredited Genealogist designations to our website. | Colonial Diseases |
| äga | own | Swedish |
| ägare | owner | Swedish |
| Agister | Official of Royal Forests. In the New Forest, In charge of the ponies | UK Occupation |
| ägor | land, property | Swedish |
| agosto | August | Italian/Spanish |
| AGRA | Association of Genealogists and Record Agents, Hon. Secretary, 31 Alexandra Grove, London N12 8HE, England. A formal genealogical body recognizing professional genealogists with extensive experience and who are recommended by their peers. | Colonial Diseases |
| Ague | Malarial Fever | Medical |
| ahnetafal | A numbering system used to identify each individual in a family tree. The formula states that an individual's father is twice that individual's number, and that an individual's mother is twice that individual's number plus one. If your Ahnentafel number is 1, your father's is 2, and your mother's is 3. From the German Ahnen meaning ancestor, and Tafel, table or list. | Colonial Diseases |
| åkomma | ailment | Swedish |
| äkta | legitimate | Swedish |
| äktenskap | marriage | Swedish |
| ALAA | Associate Australian Library & Information Association | Colonial Diseases |
| Alabasterer | Worked with Alabaster! | UK Occupation |
| Alblastere | Crossbowman | UK Occupation |
| Alchemist | Medieval Chemist, claiming ability to make gold from base metal | UK Occupation |
| ålder | age | Swedish |
| ålderdom | old age | Swedish |
| Alderman | Senior Councillor immediately below Mayor in local Councils. (Still extant today.) | UK Occupation |
| äldre | older, elder | Swedish |
| aldrig | never | Swedish |
| äldste | oldest, eldest, elder | Swedish |
| Ale Draper | Seller of Ale | UK Occupation |
| Ale Tunner | Filled the Ale casks (tuns) in Breweries | UK Occupation |
| Ale-Conner / Ale Founder | Official who tested quality and measure served in Public Houses. (Pubs) | UK Occupation |
| Alewife | Woman who kept an Alehouse or Tavern | UK Occupation |
| Alien | Foreigner. | General |
| All Spice | A Grocer | UK Occupation |
| alla, allt | all | Swedish |
| alltid | always | Swedish |
| Almanac Man | Official of the Court of Sewers – warned of abnormally high tides in the Trent River area | UK Occupation |
| Almoner | 1) In charge of an Almshouse. 2) Giver of charity to the needy 3) Hospital employee who assists patients with personal matters arising from their stay in hospital | UK Occupation |
| Almsman | Receiver of Alms | UK Occupation |
| Alnager / Aulnager | Official - examined quality of woolen goods & stamped them with the town seal of approval | UK Occupation |
| Amanuensis | Secretary or stenographer | UK Occupation |
| ambarn | nursing child | Swedish |
| Amber Cutter | Cut and polished Ambergris for jewellery | UK Occupation |
| ämbete | office | Swedish |
| Ambler | Officer of the Royal Stables who broke in the horses | UK Occupation |
| Amen Man | Parish Clerk | UK Occupation |
| American plague | Yellow fever | Medical |
| American revolution | U.S. war for independence from Great Britain 1775 -1783. | General |
| Anasarca | Generalized massive edema. Widespread swelling of the skin, often caused by heart or kidney failure | Medical |
| Ancestor | Any person from whom another person is directly descended, for example, parents, grandparents, great-grandparents and so on. | Genealogy |
| Ancestral File | A computerized file of individual and family records, created from records and pedigree charts submitted to the Family History Department of the Church of Jesus Christ of Latter-day Saints since 1979. The purpose of the Ancestral File is to help people coordinate their research. | Colonial Diseases |
| ancestral | Of or inherited from an ancestor or ancestors | Colonial Diseases |
| ancestry | 1. Family descent or lineage 2. Ancestors collectively | Colonial Diseases |
| Anchor Smith | Made Anchors | UK Occupation |
| Anchoress | Female hermit or religious recluse | UK Occupation |
| Anchorite | Male hermit or religious recluse | UK Occupation |
| andra | second, others | Swedish |
| andtäppa | shortness of breath, asthma | Swedish |
| Aneurism | Abnormal widening of an artery | Scot.Dise 1855 |
| anfall | seizure(s) | Swedish |
| angiven | given, stated | Swedish |
| Angle Smith | A blacksmith skilled in forging angle irons, beams, etc., into various forms used in shipbuilding | UK Occupation |
| Anilepman | Smallholder - tenant of the Manor | UK Occupation |
| änka | widow | Swedish |
| änkeman, änkling | widower | Swedish |
| Ankle Beater | Young person who helped to drive cattle to market | UK Occupation |
| ankom | came, arrived | Swedish |
| anmärkningar | remarks, annotations | Swedish |
| annan | other | Swedish |
| Annatto Maker | Made dyes for paint or printing trades | UK Occupation |
| Annealer | Processed metal or glass by furnace-heating and immersion in chemical baths | Scot.Occup |
| Anno Domini (A.D.) | in the year of our Lord | Latin |
| ännu | yet, still | Swedish |
| Annuitant | Receiver of an Annuity - An annuity is income paid to a beneficiary at regular intervals, for a fixed period or ascertainable period (usually the lifetime of a nominee) in return for a lump sum payment having been previously made into the scheme by a subscriber - i.e. a spouse, benefactor or employer. Non-working person receiving an annual income or pension. | UK Occupation |
| antavla | pedigree chart | Swedish |
| Ante | Latin prefix meaning before, such as in ante-bellum South, 'The South before the war' | General |
| anteckning | note, annotation, remark | Swedish |
| Antigropelos Maker | Made waterproof leggings | UK Occupation |
| Anvil Smith | Maker of anvils and hammers for the smithy trade | UK Occupation |
| Aortic aneurism | Widening of the main abdominal artery often leading to rupture | Scot.Dise 1855 |
| août | August | French |
| APG | Association of Professional Genealogists, P.O. Box 40393, Denver, CO 80204-0393, USA. APG members promote genealogy as a profession and encourage professionalism in genealogy. They also conduct research or serve in related fields such as librarians, archivists, writers, editors, consultants, indexers, instructors, lecturers, booksellers, publishers, computer specialists and geneticists. | Colonial Diseases |
| Aphonia | Laryngitis | Medical |
| Aphtha | The infant disease 'thrush'. Painful ulceration in the mouth | Medical |
| Apiarian | Beekeeper | UK Occupation |
| Apoplexy | Paralysis due to stroke | Medical |
| Apothecary | Prepared and sold medicines and drugs. Pharmacist | UK Occupation |
| Apparitor | Official who summoned witnesses to the ecclesiastical courts | UK Occupation |
| Apposer | Examiner; officer of the Court of Exchequer | UK Occupation |
| apprentice | 1. One bound by indenture to serve another for a prescribed period with a view to learning an art or trade. 2. One who is learning by practical experience under skilled workers a trade, art, or calling | Colonial Diseases |
| Appurtenance | That which belongs to something else such as a building,orchard, right of way, etc. | General |
| April | April | Germany/Swedish |
| aprile | April | Italian |
| Aproneer | Term used in London for a Shopkeeper | UK Occupation |
| Apronman | Engineer or mechanic | UK Occupation |
| Aquarius Ewar | Waterman | UK Occupation |
| Aquavita Seller | Seller of Alcohol | UK Occupation |
| är | are, is, am | Swedish |
| år | year | Swedish |
| arbetare | worker, laborer | Swedish |
| Arbiter | Arbitrated in disputes | UK Occupation |
| Archiator | Physician | UK Occupation |
| Archil Maker | Made a purple dye from lichens - used in the textile industry | UK Occupation |
| Archives | Records of a government, organization, institution; the placewhere records are stored. | General |
| Argentier | Controller of finances, a treasurer | Scot.Occup |
| århundrade | century | Swedish |
| arkiv | archive | Swedish |
| Arkwright | Skilled craftsman making 'Arks' (wooden chests or coffers) | UK Occupation |
| årlig | annual, yearly | Swedish |
| ärlig | honest | Swedish |
| Armiger | Squire who carried a Knight's armour. Entitled to bear heraldic arms | UK Occupation |
| Armourer | Made armour for wear or for buildings, ships etc. and now used to include armaments generally | UK Occupation |
| Army H.P | Soldier on half pay | Scot.Occup |
| arrendator | tenant farmer, leaseholder | Swedish |
| Arrowsmith | Forged arrowheads | UK Occupation |
| Arterio-sclerosis | Fatty deposits accumulating on the walls of the arteries forming plaques (atheromas) | Scot.Dise 1855 |
| Artificer | A military mechanic who does repairs | UK Occupation |
| årtionde | decade | Swedish |
| Artisan | One who is employed in any of the industrial arts; a mechanic, handicraftsman, artificer. | UK Occupation |
| arton(de) | eighteen (eighteenth) | Swedish |
| arton | eighteen | Swedish |
| arv | inheritance | Swedish |
| arvinge | heir | Swedish |
| arvskifte | distribution of an inherited estate | Swedish |
| ascendant | Ancestor | Colonial Diseases |
| Ascites | Excess fluid in the space between the abdomen and abdominal organs | Scot.Dise 1855 |
| Ashman | Dustman - today called a 'Cleansing Operative/Engineer' !! | UK Occupation |
| Asphyxia | Cyanotic and lack of oxygen | Medical |
| Assay Master | Determined the amount of gold or silver in coins | UK Occupation |
| Assayer | Determined the proportions of minerals in ore | UK Occupation |
| Assisor | Scottish juror | UK Occupation |
| Assizor | A juror | Scot.Occup |
| Asthenia | Loss of body strength, debility | Scot.Dise 1855 |
| åt | to | Swedish |
| återvänd | returned | Swedish |
| Atherosclerosis | As for arterio-sclerosis (qv) | Scot.Dise 1855 |
| Atrophy | A wasting away of tissue, for example atrophy of the liver | Scot.Dise 1855 |
| ätt | family | Swedish |
| att | that (for example: know that he died) | Swedish |
| åtta | eight | Swedish |
| attest | certificate | Swedish |
| Attest | To affirm; to certify by signature or oath. | General |
| åttio(nde) | eighty (eightieth) | Swedish |
| Atto di nascita | Birth record | Italian |
| åttonde | eighth | Swedish |
| Auger Maker | Made carpenters' augers, used for boring holes in wood | UK Occupation |
| August | August | Germany |
| augusti | August | Swedish |
| Aulnager | See Alnager | UK Occupation |
| Aurifaber | Goldsmith | UK Occupation |
| av | of | Swedish |
| Avenator (Plantifene) | Hay and forage Merchant | UK Occupation |
| avgång | departure | Swedish |
| avgått med döden | died (departed through death) | Swedish |
| avgått | moved | Swedish |
| avgift | fee | Swedish |
| avliden | deceased, death | Swedish |
| Avowry | Lord of the Manor | UK Occupation |
| avril | April | French |
| avskedad | discharged, resigned | Swedish |
| avsomna | die, death | Swedish |
| avvittring | assignment of an inheritance to children of first marriage | Swedish |
| Axel Tree Maker / Turner | Made axles for coaches and wagons | UK Occupation |