It depends on the kind of blessing. A religious blessing should come from a priest, though the priest doesn't have to be Irish, though it would be better if he was. Any other kind of blessing could come from anyone, but again it would be ideal if the person was Irish.
No.
There are numerous traditional Irish blessings. This question is not specific enough.
Yes, it is OK to be Irish.
Irish: beannacht Scottish: beannachd
i have no idea how to answer it, sorry
It is an Irish blessing.
The author of "May the road rise to meet you" is not definitively known. This blessing is a traditional Irish blessing that has been passed down through generations and is often used to wish blessings and good fortune upon others.
amen, approval, blessing, okay, praise
amen, approval, blessing, okay, praise
someone who is blessed to a king, mean the royal blessing
One example of an Irish Blessing is a wish for a friend, wishing you a rainbow, for sunlight after showers, miles and miles of Irish smiles, for golden happy hours, shamrock at your doorway, for luck and laughter too, and a host of friends that never ends, each day your whole life through.
You cant tell is someone is irish just by looking at them. Someone who doesn't look irish at all may be full irish. :D