 A number of items pertaining to the Order of St Patrick are held in museums in both the Republic of Ireland and Northern Ireland . The robes of The 4th Baron Clonbrock , the 122nd Knight of the Order , are on display in the National Museum of Ireland , Dublin ; the robe belonging to The 3rd Earl of Kilmorey is held by the Newry Museum ; the National Gallery and Genealogical Museum in Dublin both have Stars of the Order ; and the Ulster Museum ( part of the National Museums and Galleries of Northern Ireland ) in Stranmillis has a large collection on display and two mantles in storage . The Irish Guards take their capstar and motto from the Order . 
