The Lordship of Ireland, sometimes referred to retrospectively as Anglo-Norman Ireland, was the part of Ireland ruled by the King of England and controlled by loyal Anglo-Norman lords between 1177 and 1542. Wikipedia

A nominally all-island state created in the wake of the Norman invasion of the east coast of Ireland in 1169 Wikipedia Disambiguation

Papal possession of Ireland held in fief by the King of England between 1171–1542 Wikidata

The Irish state under the English Kings/Queens when the King/Queen of England held the ex officio title Lord of Ireland from the time Pope Adrian IV granted the title to King Henry II of England, until the time King Henry VIII left the Roman Catholic Church and elevated his Irish title to King of Ireland and the Irish state's status from a lordship to a kingdom. Wiktionary