President Michael D Higgins and Taoiseach Enda Kenny have attended the annual Easter Rising commemoration ceremonies at Arbour Hill in Dublin.
Relatives of those who died during the 1916 rebellion were also in attendance.
There are 14 leaders of the rising buried at Arbour Hill cemetery.
There was a procession to the memorial after an interfaith service.
President Higgins laid a wreath to commemorate those who died during the rising.
A minute's silence was observed followed by the sounding of The Last Post.
Members of the Cabinet were present and the judiciary was represented by Chief Justice Susan Denham.