Electronically scanned copies of the actual Griffith's Valuations maps for County Roscommon are held at the Valuation Office Dublin
http://www.valoff.ie/ The cost is €25.39, plus postage. Also available at the Valuations Office are Valuation maps regularly updated to match the changes of ownership or tenancy.
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When ordering Valuation Office maps you need to provide complete information on the place, townland name, Civil parish and county. It helps to give the sheet numbers listed in Griffith's Valuation. Be aware that some plots are on the edge of maps and you will need to purchase more than one sheet.
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The maps are worth it. They are extremely detailed with a scale of six-inches to one-mile. Every house, cart track, ancient ruin, etc. is shown in addition to the outline of each plot. The maps are about 30 x 40 inches wide. It is the combination of Griffith's Valuation Records and the maps that give Irish genealogists a gift that almost no one else has. As a reward for putting up with all the hard work and frustration in Irish research you can see on the map exactly where your ancestors were living from the 1850s. You might find when you go to Ireland that the house is gone, but you can still see where it stood. (Note that Griffith's Valuation maps marked with plot numbers are not available outside Ireland.)
http://www.valoff.ie.
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For Free County Roscommon databases on line visit
http://www.leitrim-roscommon.com/bbs/viewtopic.php?t=51430.
For explanation of terms used in Irish research visit
http://www.roscommonhistory.ie/People/JohnHunter/Notes.pdf.
To find the LDS film number of persons who occupied land in Fairymont townland visit
http://www.roscommonhistory.ie/People/JohnHunter/Index2.pdf.
JPH “Top 10” tips: Tip 9 of 10. Realise that most people did not live in villages or towns. In earlier days in Ireland there were houses everywhere, as there is today. It was/is a town planner's nightmare. In the mid 1850s only 8 percent of Co. Roscommon houses were located in towns or villages.
