The Republic of Ireland observes several of its public holidays on a Monday-ised basis.
This holiday is celebrated on the first Monday in May. More details on the May Bank Holiday.
Known in Gaelic as 'Lá Saoire i mí Mheitheamh', this holiday this holiday is celebrated on the first Monday in June. More details on the June Bank Holiday.
'Lá Saoire i mí Lúnasa'. The bank holiday on the first Monday in August dates back to the United Kingdom Bank Holidays Act of 1871 which established the first Bank holidays in Ireland. More details on the August Bank Holiday.
This holiday is celebrated on the last Monday in October and is more generally known as the Halloween holiday.
Note that Good Friday and 27 December are bank holidays in Republic of Ireland in that banks are closed are closed on these days but they are not public holidays.