Grandpa had a tendency to lie in the dark with a provo company (with a comrade on his left and another on his right naturally) and left wanted and illegally to the US so idk if this is still an option because of the sins based behavior of my grandpa.
If 3rd-gen means you have a grandparent born in Ireland, you can apply for "citizenship by descent":
https://www.dfa.ie/citizenship/
Grandpa had a tendency to lie in the dark with a provo company (with a comrade on his left and another on his right naturally) and left wanted and illegally to the US so idk if this is still an option because of the
sinsbased behavior of my grandpa.