Cross-slab in Clonmacnoise

Clonmacnoise grave-slab inventory (1992) number: CLN00136 Dimensions: H 0.18, W 0.29, T 0.065 Outline ring cross inside a one line rectilinear frame. There is a linear cross with wedge-shaped terminals in the centre of the cross. The cantons have diagonals crossing them. Inscription: Petrie saw half the slab and recorded the inscription 'OR THANACH (?)' Evidence of discovery: Found in 1872 by Petrie, lost by 1909 and refound by the OPW 1954-58. Condition: Part of left cross arm and centre survive. National Monuments Service, Photo number: 81-297, 484. The Clonmacnoise inventory was compiled by the Office of Public Works. A copy of the record for this slab is available for inspection in the relevant Archaeological Survey of Ireland (SMR) file. Compiled by: Caimin O'Brien. Date of upload: 23 May 2011

Date likely to the early medieval period (7th–10th century AD), associated with Christian monastic activity in Clonmacnoise. The ringed cross symbolizes early Irish Christianity, often used as a funerary or commemorative marker.