Irish dance or Irish dancing is a group of traditional dance forms originating in Ireland, encompassing dancing both solo and in groups, and dancing for social, competitive and performance purposes.
Irish dance in its current form developed from various influences such as French quadrilles and English country dancing throughout the 18th and 19th centuries.
1. https://en.wikipedia.org/wiki/Irish_dance
2. www.marie-duffy-foundation.com/HistoryOfIrishDance.htm