Ordnance Survey letters Down: Letters containing information relative to the antiquities of the county of Down collected during the progress of the Ordnance Survey in 1834
John O'Donovan (Irish: Seán Ó Donnabháin; 25 July 1806 – 10 December 1861), from Atateemore, in the parish of Kilcolumb, County Kilkenny, and educated at Hunt's Academy, Waterford, was an Irish language scholar from Ireland.