Ah...give it a rest. If they are Irish, they are welcome to display their colors.
Way too much publicity over this very minor matter.
Do you want me to start naming the queer Irish-American priests, cardinals, and bishops?
If you want to name them along with all the queer choir-masters of America & Great Britain (Benjamin Britten, anyone?) I’ll agree to it. Otherwise...
Irish support (based in religion and otherwise) for the universal taboo of deviance should be respected.
FWIW, a St. Patrick’s Day parade in NYC has become completely meaningless; the Irish population itself is a shadow of its former self.