From ISOGG Wiki
A one-name study is a project researching all occurrences of a surname, as opposed to a particular pedigree (ancestors of one person) or descendancy (descendants of one person or couple). Some "one-namers" may restrict their research geographically, perhaps to one country, but true one-namers collect all occurrences world-wide.
Like all family history research a successful study relies on a vast amount of resources. These can be original documents or verified transcripts of original documents, many of which are now available online.
It is usual to include all spelling variants of the surname that have appeared over the years. A one-name study is not limited to persons who are related biologically. Studies of more common surnames may have a number of family trees which have no link with each other.
Findings from a one-name study are useful to genealogists, who burrow deeper than indexes, consulting the historical sources so as to write pedigrees or descendancy charts of single families that are usually subsets of the surname group. Onomasticians, who study the etymology, meaning and geographic origin of names, also draw on the macro perspective provided by a one-name study.
The British method
One-name studies became popular in Great Britain in the late 20th century because details of births, marriages and deaths in England, Wales and Scotland are in the public domain and anyone can apply to see the details of any birth, marriage or death. The indexes to the registers are freely available.
Because the index of births in England and Wales has, since 1911, included the mother's maiden surname, and the marriage index since 1912 has displayed the surnames of both partners, it is possible, with a complete data-set, to match every man's marriage to the occasions when he had a child. This information could be acquired at no cost in London. Simple profiles of most 20th-century persons with the surname in England and Wales can thus be drawn up without needing any contact with the persons concerned. Using this groundwork, it is possible to hypothesize crude lineages and extend these back through the 19th century by collecting every instance of the chosen surname from indexes to the ten-yearly censuses that began in 1841.
The data can be refined using 19th century civil-registration data. All persons living in England and Wales were obliged from 1837 onwards to register births, marriages and deaths. In Scotland, civil registration started in 1855. Quarterly index books listing the surnames, first names and districts where these events took place were thereafter kept for public use in London. Since compliance was mixed at first, and the data-fields in the 19th-century indexes are more limited than for the 20th century, those index books alone are not sufficient for reconstituting families.
The index books were scanned and made available online in 2004 by 1837online, now known as findmypast.com, and a partial index has been transcribed by volunteers for the FreeBMD website. Indexes are also available on Ancestry.com Records for Scotland can be searched at the ScotlandsPeople website, and this means that a one-name study with a British focus can be conducted from anywhere in the world.
DNA testing is an important component of a one-name study. Maurice Gleeson explains how DNA can help your one-name study in this video presentation which was first given at the Guild of One-Name Studies Regional Meeting in Guildford, Surrey, England, on 15th March 2013.
In most other countries, one-name studies are much more difficult. Where civil-registration indexes are open to public search, they may not be online or gathered in the national capital, but are scattered through the states, as in Australia, or towns, as in France and the United States. In many countries, such as Germany, civil-registration and census data are regarded as a state prerogative: vital data are only available to the persons concerned and 19th-century census returns are not available at all.
One-name studies of the United States have become feasible thanks to the recent availability of online indexes to 19th-century and early-20th-century censuses.
More limited one-name studies can be conducted using other national indexes including:
- Telephone and address directories
- Registers of wills or deceased estates
- Electoral rolls
- Land possession records
- Military service indexes
To obtain surname data from the 18th century and earlier, one-name researchers employ the International Genealogical Index (IGI) and vital records indexes compiled by The Church of Jesus Christ of Latter-day Saints as well as catalogues to national archives.
One-name studies are generally rounded out with a miscellany of information drawn from national bibliographies, archival catalogues, patent databases, reports of law cases, tax lists, newspaper indexes and web searches. A one-name researcher is also expected to report on the linguistic origins of the surname and its use in placenames and corporate names.
Many people conducting family history, genealogical or onomastic research may conduct a one-name study of a surname in a given period or locality quite informally.
A full one-name study can be daunting. Since such studies are usually conducted by individuals as a pastime, they are generally only feasible when a surname is not used by more than a couple of thousand contemporary people, so that the total historical data-set is numbered in the low tens of thousands. Where a surname is used by hundreds of thousands, or millions of people, it would be practically impossible to differentiate these persons using national-index data alone.
In some countries, one-name studies are impossible, since surnames are not used at all or in the case of names such as Singh may represent religious practice rather than an ancestry. Since a majority of human societies are patronymic, one-name studies generally focus on male succession and ignore family relationships through marriage.
Some researchers are satisfied with collecting all information and grouping it geographically, approximately representing the different family groups. Others attempt to reconstruct lineages. Because of the wider scope of a one-name study, and transcription or OCR errors in the indexes employed, lineage-making cannot be done with as much accuracy as in a single-family genealogy.
In most one-name studies, a united lineage will not be discovered, but a broad perspective can be achieved, giving clues to name origin and migrations. Many researchers are motivated to go beyond the one-name-study stage and to compile fully researched, single-family histories of some of the families they discover.
While most one-name studies are conducted as a pastime, rather than as an economic activity, the sheer volume of information to be organized may require semi-professional data-processing and publishing skills.
The data must be carefully structured. An accurate copy of the original indexes must be drawn up, and updated when they are amended. Errors and conflicts in the indexes are noted. Links to those tables appear in the roll of individual persons.
To avoid retyping large volumes of data by hand, one-name researchers are often skilled at data screen scraping and automated reformatting.
Many one-name researchers keep data tables in computer spreadsheets because it is possible to see hundreds of items on a single screen and use thinking power to detect patterns. Family Tree software is used by many researchers to collate and define family trees. Others employ relational database software.
Motivation and support
One-name researchers often begin a study in the hope that obtaining a massive data set will give them sufficient perspective to break through a barrier in their own family history research. Some are motivated by the belief, only rarely borne out, that kinship can be documented among all persons sharing a surname. Like most other collecting pastimes, a one-name study often becomes compulsive, without regard for the original motivation.
The principal organisation advising on such research is the Guild of One-Name Studies which was established in Britain in September 1979. The Guild now has over 2,300 worldwide members conducting studies of individual surnames and their variants and has regional organizers in several countries..
One-name studies are often one-person initiatives, so publishing the findings is the best way to ensure that the many years of work that go into them are not lost when the researcher dies. There may be no one else with a high enough commitment to continue writing reports, but there will always be a number of appreciative readers.
As an initial step, a searchable version of the database can be offered online. Traditionally, publication of definitive research is undertaken by printing a book or by bringing it out in parts in a one-name periodical. Such publications are often sponsored by formally established one-name groups. The Federation of Family History Societies includes several One-Name Societies, whilst the Guild of One-Name Studies has many members who are associated with such organisations. Advice on setting up a one-name group appears in a short booklet, "One-Name Family History Groups" by Derek Palgrave published by the Halsted Trust in 2008.
Today many studies are presented online, since the data can be continually updated, is available worldwide and is likely to be preserved by Archive.org and other services long after the website expires.
There is little value in merely publishing index extracts without annotation or links: this may even breach the index compiler's copyright. Instead, the study can publish rolls of persons, fully referenced and arranged in geographical categories, either alphabetically or in the order of such fragmentary lineages as can be discovered.
As in other branches of family history, some of the information gathered is about living persons. Some one-namers accept that this should never be published or distributed without the permission of each person concerned while others take the view that, certainly within countries such as the United Kingdom, much of the information on living people is already in the public domain.
Most researchers are happy to share the results of their studies with others. A one-name study not only benefits from the availability of public records, often at no charge, but also from the generous advice and assistance of those people who are consulted for information in the course of the study. Publishing the historical part of the research and promptly answering enquiries is the best way to preserve this information for present and future generations.
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