1622 in Ireland
Events from the year 1622 in Ireland. Incumbent 
Monarch: James I

Events 
 A royal commission of inquiry into the Dublin Castle administration is sent from England, headed by Dudley Digges and including James Perrot. 18 April – Oliver St John surrenders the office of Lord Deputy of Ireland. He had served since 1616. 18 September – Henry Cary, 1st Viscount Falkland, is sworn in as Lord Deputy of Ireland. Thomas Dease is consecrated Roman Catholic Bishop of Meath, returning to Ireland from Paris. Frederick Hamilton is given lands in Leitrim. Honours 
 January – The Courtenay Baronetcy of Newcastle, County Limerick, is created for George Courtenay. 3 May – The Montgomery Viscountcy of the Great Ards in the Peerage of Ireland is created for Hugh Montgomery. 5 August – The Earldom of Roscommon is created for James Dillon. Births

Deaths 
 16 January – Patrick Barnewall, who objected to recusancy fees. 10 November – Henry Folliott, 1st Baron Folliott, who settled in Ballyshannon and developed the area around it (b. c.1568). 14 November – Miler Magrath, who was Catholic Bishop of Down and Connor 1565–1580 but converted and became Church of Ireland Archbishop of Cashel since 1571 (b. c.1523)
 Henry MacShane O'Neill, who was an Irish flaith and son of Shane O'Neill. References 

 
1620s in Ireland
Ireland
Years of the 17th century in Ireland