Giolla Íosa Mór Mac Fir Bhisigh
Appearance
You must add a |reason=
parameter to this Cleanup template – replace it with {{Cleanup|June 2005|reason=<Fill reason here>}}
, or remove the Cleanup template.
Gilla Isa Mor mac Donnchadh MacFhirbhisigh (fl. 1390-1418) was a historian, scribe and poet of the learned Clan MacFhirbhisigh based at Lackan, Co. Sligo. He was the chief compiler of the Yello Book of Lecan and the Great Book of Lecan, both of which were valuable literary and historical texts.