"Nappies"
In the Irish language, they call it Gaeilge, and in the English language they call it Irish.
You call a person born in Ireland, Irish.
Irish
Nappies are what some people call diapers.
i call clumsy Irish dance something you need to work on
There are cloth diapers which can be washed and reused. If you want to take this option you can actually call a diaper service and have them clean and return new diapers to you.
In English the Irish people call them "runners" but in the Irish language i am not sure.
They also call them iPods.
Bean
They are Irish. You could refer to them as Irish, or as an Irishman or Irishwoman.
A Hibernophile is a person who admires Irish culture, Irish language, and all things Irish.