Anglo-Irish people (Angla-Éireannach) denotes an ethnic, social and religious grouping who are mostly the descendants and successors of the English Protestant Ascendancy in Ireland. They mostly belong to the Anglican Church of Ireland, which was the established church of Ireland until 1871, or to a lesser extent one of the English dissenting churches, such as the Methodist church, though some were Roman Catholics. They often defined themselves as simply "British", and less frequently "Anglo-Irish", "Irish" or "English". Many became eminent as administrators in the British Empire and as senior army and naval officers since Kingdom of England and Great Britain were in a real union with the Kingdom of Ireland for over a century, before politically uniting into the United Kingdom of Great Britain and Ireland in 1801.
The term is not usually applied to Presbyterians in the province of Ulster, whose ancestry is mostly Lowland Scottish, rather than English or Irish, and wh