Griffiths clerks revisited properties every couple of years and noted the changes. A different colour was normally used for each year. Sometimes the years can be out by a year or two. The books themselves do have a specific start and finish dates which are evident if you handle the originals. Typically they lasted 7 to 10 years but some were for different periods. The changes in the VAL numbers were usually because of population changes which meant that some electoral districts needed split or moved.
Elwyn On Sat, 7 Sep 2019 at 03:49, Peter McKittrick via CoTyroneList < cotyronelist@cotyroneireland.com> wrote: > My recent subscription to the Mailing List has paid off almost > immediately! Many thanks to Len Swindley for recently drawing attention to > the online Revision Books. I had no idea they existed. The coverage over > time and name changes have provided quite solid confirmation of aspects of > my family tree. > > I have noticed that the date of changes is unclear, being restricted to > specific periods of years, so the best I have been able to conclude is that > the change(s) took place by such and such year at the latest. Change > sequences are clear and useful. Sometimes the same book (going by page > markings) purports to cover several different time periods even though > having different “VAL” numbers. This creates a bit of uncertainty. The > books themselves do not seem to have dates. Does anyone have any comments > in this regard? > > Peter McKittrick > Cheltenham, Vic Australia > _______________________________________________ > CoTyroneList Mailing List > Mailing List Email Address: CoTyroneList@cotyroneireland.com > Change Your Preferences: > http://cotyroneireland.com/mailman/listinfo/cotyronelist_cotyroneireland.com > Mailing List Archive: https://goo.gl/mQCKrY >
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