Quite a bit... free texts now mean that it is easy to send several hundreds of texts each month without huge cost though.
People who are from Ireland are called Irish.
They would also call them boats.
Yes, its normal to call people by their first name once you have been introduced to them.
People in Ireland call him Santy, Santa and Santa Claus. Santa Claus comes from Saint Nicholas and can then be shortened to Santa Claus or just Santa or Santy. So people in Ireland use those names, like people in many countries do.
They are Irish. You could refer to them as Irish, or as an Irishman or Irishwoman.
Northern Ireland is in the UK, and the international dialling code for the UK is +44.
In Ireland it is referred to as the boot of the car.
Irish people call the US Dollar bill, a dollar or a dollar bill.
The Euro is the currency of the Irish Republic! The Republic of Ireland is what some people mistakenly call "Southern Ireland", so the answer to your question is yes.
I think the correct term is "Hibernophiles" but I could be wrong. It's not an expression that's widely used in Ireland
a plagiarist
Celts, Tuatha de Danann, FirbolgCeltsCelts.