33 more COVID-19 patients have died, bringing the death toll here to 320.
553 new cases were confirmed yesterday plus an extra 286 that had been sent to a German lab for analysis.
The total in the republic now stands at 8,928.
President Michael D Higgins will lead a special, televised 1916 commemoration from Áras an Uachtaráin later.
The ceremony will begin with President Higgins ringing the Peace Bell at Áras an Uachtaráin, followed by a prayer and a reading of the Proclamation.
The President will then lay a wreath at a group of 16 birch trees in honour of the revolutionaries executed after the Rising.
The 26 diocese of the Catholic Church north and south of the border is celebrating Easter Sunday online.
They serve 1,360 parishes across the island of Ireland and over half of churches have webcams.
Each week there are over one million live streams of parishoners doing masses.
Retail Ireland says retailers have made enormous efforts to ensure that stores are equipped to deal with new coronavirus restrictions.
It says they have increased the frequency of cleaning of trolleys and baskets and chip and pin terminals.
Many have also installed perspex screens.
A row has broken out in Northern Ireland after its Health Secretary Robin Swann said he had asked the British Army to aid the coronavirus relief effort.
Sinn Féin says it is "premature" to call in the troops - and says it should have been discussed by the Northern Executive at a meeting on Friday.
The number of deaths in Northern Ireland rose to 107 on Saturday after 15 more patients died there.