I have Irish ancestry and I've been there. You are in luck, though, my office mate (and good buddy) is 100% Irish and moved to the US as an adult. If you have a question, I can definitely run it past him for you.
Lois: You know, I have a funny feeling that you didn't tell me your biggest secret.
Clark: Well, just to put your little mind at ease, Lois, you're right. Ides of Metropolis