Ó Gadhra was the compiler of the O Gara Manuscript (now RIA MS 23 F 16), which he compiled at Antwerp and Lisle between 1655 and 1659.
Sgian-dubh | John Dubh Maclean, 1st Laird of Morvern | Hugh Dubh O'Neill | Eibhlín Dubh Ní Chonaill |