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HOUSE TENURE BOOKS
The Tenure books record the same information as the published Griffith’s Valuation but with two extra columns, one recording the annual rent and a second recording the tenure and year let. These are obviously of great interest to genealogists, especially the latter, which can range from tenants-at-will to leasehold tenants for leases of lives (a lease of three named people, the lease falling in upon the death of the last of the three to be alive) or for leases of fixed periods of time.
Where changes of occupancy have occurred during the period between the oldest workbook and publication these are recorded in the same way as is the case with the cancelled books, the old tenant’s name crossed out and the new one written above.
(Much thanks to Paul MacCotter's Genealogy and Family History Service for much of this information)