shorthand – The Nosey Genealogist's: Help Me With My Family Tree

Not so long ago we just never heard of DNA being used in everyday situations. And then suddenly every detective story on TV seemed to mention the suspect’s DNA being collected from the crime scene.

In the world of family history, DNA has also emerged into the main stream. Today if you want to prove that you are descended from a certain line then you may be able to use genetics to prove it.

But then there is the shorthand that is used that can confuse us a little. You may have heard people talking about “snips” or SNPs and STRs and wondered what this has to do with anything!

I will now attempt to explain what I myself was uncertain of until I attended one of the talks by an academic at last year’s Who Do You Think You Are? Live show and then found it explained again in chapter 12 of Anthony Adolph’s book Tracing Your Aristocratic Ancestors. Pen and Sword 2013

Chromosomes are made up of special proteins and DNA. DNA is composed of numerous base-pairs of nucleotides all arranged in a double-helix shape.

In every human cell there is a nucleus that contains twenty-two pairs of chromosomes that bear autosomal DNA and one pair that decides on the gender of the human. The two sets of chromosomes are reduced down to one in a process of myosis that produces eggs in females and sperm in males.

When a man and a woman have a child the male passes on the one set of his chromosomes and mixes with the female’s one set and so the next generation inherits from its parents.

It is a complex process that causes some slight changes or mutations which are known as genetic polymorphisms. Some of these mutations include single nucleotide polymorphisms which are often abbreviated to the letters SNPs.

A single tandem repeat is known as a STR.

SNPs and STRs do not, it is believed by the scientists who understand such things, carry any useful codes needed in the creation of ourselves, but they are there.

Individual genes have two or more possible states of being and these are usually referred to by the letters A or T and C or G.

An SNP is a change detected in a gene’s state of being from, say, A to G and you may see it being called a â€œunique event polymorphismâ€. Once a SNP has occurred it will now stay the same as it is passed down the generations and so you can see how this can act as a reliable marker for â€œdeep ancestryâ€ haplogroup testing.

So what about STRs?

They are a bit different. STRs occur in a different part of the chromosome and they are a series of multiple changes caused by the addition or subtraction of the number of base-pairs. So by counting these base-pairs the DNA company get to a numerical code. The great thing about these mutations is that they occur over a shorter time than the SNPs do and so they can change over shorter spans of generations.

Y-STRs are taken specifically from the male Y chromosome and are only passed down by the father, making the Y chromosome in any paternal line practically identical.

What we are presented with is two complementary sets of results: SNPs define a person’s haplogroup, or the group of people that share the same markers that can go back many thousand of years. The second is the smaller group of people that share the same STRs who are related to each other over the last couple of thousand years or less.

The second exception is mitochondrial DNA (mt-DNA). This is only passed down from a mother to her child, but which only her daughters will pass on. This means that we have a definite marker for the female-line, in other words the mother’s mother’s mother’s (and so on) family.

As we get closer to Christmas I have noticed that www.familytreedna.com are offering money off their packages for the holiday season. Do you know anyone who would like to have a present of a DNA test as it would seem to be a good time to buy?

Disclosure: Links are compensated affiliate links.

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When we consciously decide to do Family history, as opposed to Genealogy, we set out to flesh out our ancestors lives a bit. We do this by seeking to understand what they did for a living, what the environment in which they lived and worked in was like and the social conditions that prevailed on them at the time.

My Devon ancestors are a mixture of Agricultural Labourers, Mariners, Small Businessmen and the like. Their work is very often dictated by where they lived. The countryside dwellers in and around Bigbury and South Huish worked on the land. Those that inhabited Dartmouth made a living on the river and at sea while those from Plymouth ran shops and small businesses. Not surprisingly none of them were coal miners or textile mill workers.

At the Society of Genealogists (SoG), in London, there is a good amount of material to help family historians research ancestors occupations and much of it is to be found in the Upper library at 14 Charterhouse Buildings. Although not all the material is exclusively on that floor, it is a good place to start as Else Churchill, the Genealogist at The Society of Genealogists pointed out in a talk I attended there last year.

With the “Ag Labs”, as we have come to call our Agricultural Labourers after the 1841 census introduced this shorthand way of describing them, there is a book that can be purchased from the SoG shop called My Ancestor Was an An Agricultural Labourer which explains what their lives were like and points the reader towards some source material that could be used apart from the census data.

Returning to the question in the headline of this article: What Did Your Ancestors Do? Finding the answer to this question will probably depend on what status they were and what and when they carried out their trade, profession or calling.

As some professions and crafts became more regulated then lists of those qualified to make a living from the activity will have thrown up records. Family historians can have recourse to Trade Directories, Apprenticeship lists and so on to try and find their forebears. Professional men, such as Medical men and Lawyers are going to be better documented than others. The SoG have extremely good runs of lists for these professions as well as those, such as Chemists and Apothecaries, who modelled their professional standards on the former class of practitioners, with the sanction of being struck off from the register to practice.

The Law list’s at the SoG include Barristers, London Attorneys and Provincial Attorneys back into the eighteenth century. The medical directories only really start in the 1850’s with the formal registration of these professions but I did find in their catalogue A directory of English country physicians 1603-43.

Men who were Officers in the Army or Navy can be found in the run of military lists on the upper library floor along with a great collection of Regimental Histories and Medal Rolls.

Some enlisted men can be located by using the Findmypast Chelsea Pensioner 1760 to 1913 data set and the Militia Service Records 1806-1915. Look in the county record office for the Ballot Lists of those men eligible to serve in the local militia from the 1750’s to Napoleonic times (1799 to 1815).

What if your ancestor went into trade by serving an apprenticeship? Else Churchill, explained that apprenticeship records are better documented before 1800 than after. A tax levied in the 18th century caused records to be kept and they are to be found today at the National Archives IR1 series and they are indexed by the SoG and can be found in books in the upper library. Another database is on Ancestry. The SoG has another excellent book called My Ancestor was an Apprentice which may help.

If your ancestors served an apprenticeship in one of the larger towns, or boroughs, in order to become a freeman and gain the entitlement to vote, then look for the records for the town/borough at the county record office. Ms Churchill pointed out that the more likely scenario would be that your ancestor would have served their apprenticeship within a family and there would be no record as the tax was not applicable within a family apprenticeship.

A possible record that may be found is where a child is apprenticed by the parish to make them less of a burden on the parish. Typically the age of the apprentice is much younger (7 or 8yrs old) and husbandry or housewifery. If the records survive they will be in the Parish Chest material.

This is only a short look at this subject and I will return to it in a further article here.

Take your family history further by considering a subscription to these websites:

Disclosure: The Links in the above are Compensated Affiliate links. If you click on them then I may be rewarded by Findmypast.co.uk or The Genealogist.co.uk should you sign up for their subscriptions.

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