Griffith's valuation
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Griffith's valuation was a survey of Ireland completed in 1868.
Richard John Griffith (1784-1878) in 1825 was appointed to carry out a boundary survey of Ireland, mark the boundaries of every county, barony, parish and townland in preparation for the ordnance survey. This work was finished in 1844. He was also called upon to assist in preparing a bill for the general valuation of Ireland; the act was passed in 1826, and he was appointed commissioner of valuation, in which capacity he continued to act until 1868. On Griffith's valuation the various local and public assessments were made.