John O’Donovan’s Ordnance Survey Letters of King’s County, 1837 – 1838: Banagher, Clonmacnoise, Fercall, and Durrow. By John Dolan

Ordnance Survey of Ireland 1824 – 1842

John O’Donovan stayed in Banagher from 10-21 January 1834 where he was accompanied by Thomas O’Connor. As mentioned in a previous blog he used his time there to look at two historic sites in particular, in addition to his normal work. He first concentrated on Clonmacnoise, writing his first substantial and detailed letters on 15 January 1838. This followed on from his request that documents be sent from Dublin ahead of his arrival. He had visited Clonmacnoise and had collected a considerable amount of information about the church site and general area.

He first concentrated on the individual monuments on the site as detailed in earlier manuscripts and associated the monument to the relevant family names. His local contact was a man named Patrick Molloy but O’Donovan was sceptical about the accuracy of the information provided by him. In addition, he dealt with the map produced by Sir James Ware dated 1705; on this map Ware had identified 10 churches at Clonmacnoise, see below. For each monument O’Donovan checked the age of each as indicated in the Annals, checked the background of each one and compared that to a report in Petrie’s possession. Continue reading