Líon alt a bhfuil an ghné seo luaite iontu: 2
D’fhoilsigh sé giotaí in Drogheda Argus sna 1850idí ··· Thuigfeá ó thagairt in Drogheda Argus in 1869 go raibh sé ina bheatha go fóill an bhliain sin ach ní raibh teastas báis ar fáil idir sin agus 1892.
Clery (IBL, Samhain 1945) faoi: ‘The debt which we owe to him arises therefore from the fact that, although a poor man, he faithfully preserved the Ó Cléirigh Manuscripts which he could so easily and profitably have sold to foreign collectors, who would have doubtless removed them from Ireland.’ Bhí fógra a bháis in Drogheda Argus 16 Eanáir 1847: ‘On Monday, 28th December, 1846, at 10 Hamilton-row, Dublin, John O’Clery, the representative of the branch of his name, aged 72 years