People in Ireland are descended from a whole range of peoples, not one single group. People talk about all Irish people being descended from the Celts. The Celts are but one of many origins that Irish people have. The Celts were not the first people to come to Ireland, as many people believe. It is believed some people from Spain arrived first. Ireland has had people come from many other places too, like the Vikings. There are people living in Ireland now from countries from all over the world. So there is no single answer to your question.
Britain and Ireland are two different places. People who live in Britain are British. People who live in Ireland are Irish.
most people in Ireland live small towns in but a majority live in cities most people in Ireland live small towns in but a majority live in cities
Of course they can - and approx 100,000 British people do live in the Republic of Ireland.
Yes, there are a lot of people in Ireland that live alone.
they live in homes
houses
They are Irish people.
No. The first people that came to Ireland were not Celts. They came from the north of Spain. Other peoples came to Ireland too, that make what is now the Irish people, including Vikings and Normans. So, like any country in the world, the people in Ireland have various origins.
Yes, there are people from India, and many other countries, living in Ireland.
Celts
In the census of 2011 there were just over 115,000 Polish people in Ireland
No, there are no weasels in Ireland. There are stoats, which some people mistake for weasels, but there are no actual weasels in Ireland.