Do spiders live in Ireland - i know this sounds like a silly question but have friend who assures me that NO exist Ireland?

Yes, spiders do live in Ireland. Spiders can be found in all countries of the world, including Ireland. There are over 300 species of spider found in Ireland, including the common house spider, the garden spider, and the wolf spider. Although most of the spiders in Ireland are harmless, there are a few species that can be venomous, such as the false widow spider.