In Irish it's "Buann an grá ar chuile rud"
In Irish (Irish Gaelic) grá Dheaid
in Irish Gaelic
In Irish it's "tabharthóir an ghrá agus an tsolais"
god
fíorghrá means 'true-love' in Irish Gaelic.
In Irish Gaelic it was usual to say Dia linn or "God with-us".
grá
Dia
It's a euphemism for 'By God' and it not from Irish Gaelic.
In Irish Gaelic: Moladh le Dia In Scottish Gaelic:
It's not Irish Gaelic; it's a euphemism for 'by God'.
Do ghrá