Sunday 01 Jan New Year's Day
Saturday 17 Mar St. Patrick's Day
Monday 09 Apr Easter Monday
Monday 07 May Labour Day
Monday 04 Jun June Holiday
Monday 06 Aug August Holiday
Monday 29 Oct October Holiday
Tuesday 25 Dec Christmas Day
Wednesday 26 Dec St. Stephen's Day
Source: http://www.altiusdirectory.com/Society/public-national-holiday-in-ireland.html