The memorial, in Irish reads
I ndíl cuimne ar
Martan O hOgain
Captaen Comp D
Briogàid Ata Cliat
d’arm na poblacta
a dúnmarouigead
ar an làtair seo
21 là d'Aibreàin, 1923
r.i.p.
A document provided by Irish Memorials website states the memorial was re-erected in 2003.
The English Translation is
(In loving memory of
Martan O hOgain
Captain, Company D
Dublin Brigade
Army of the Republic
murdered
at this place
21st April, 1923)