Pages in this category should be moved to subcategories where applicable. This category may require frequent maintenance to avoid becoming too large. It should directly contain very few, if any, pages and should mainly contain subcategories.

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The Irish musical groups category is for groups that were founded in the Republic of Ireland. It may also apply to groups which were founded elsewhere, but which include Category:Irish musicians. It does not apply to groups which were founded elsewhere, but had their main success in the Republic of Ireland.