Proper noun
Lordship of Ireland
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.
The English had been involved, both politically and militarily, in Ireland since being given the Lordship of Ireland by the Pope in 1171. Source: Internet