Is paying in cash rather than credit card common?

I was wondering if it’s common to pay in cash across Ireland? I’ll be staying in Tralee and exploring along the Atlantic way if that info helps. Everyone here in Canada keeps telling me I should pay with a credit card while I’m on my honeymoon but 1. I only have a student credit card so it’s pretty low limit and 2. Credit cards are a slippery slope and I’d rather not have to put my whole trip on the stupid things So what is your experience? Would I be ok paying in cash in most locations in Ireland?