On Friday evening, thousands of people will gather up and down the country to mourn the tragic loss of both men.
Here is a current list of vigils taking place in each county over the Easter weekend:
FRIDAY
Galway: 5pm at The Long Point
Wicklow: 5pm at the bandstand in Bray
Sligo: 6pm outside the Town Hall
Dublin: 6pm at Dáil Éireann
Louth: 6pm at Dundalk Town Square
Louth: 6pm at the Tholsel
Louth: 6pm at Ardee Civic Offices
Waterford: 6pm at St John Roberts Square
Waterford: 6pm at Walton Park, Abbeyside, Dungarvan
Carlow: 6pm at the fountain, Liberty Tree, Haddens Car Park
Westmeath: 6pm in Mullingar Town Park
Kildare: 6pm at the bandstand in Liffey Linear Park, Newbridge
Donegal: 6pm at the crossroads in Falcarragh
Belfast: 6pm at City Hall
Derry: 6pm at Guildhall Square
Laois: 6pm at County Hall Plaza, Portlaoise
Offaly: 6pm at O’Connor Square, Tullamore
Meath: 6pm at Navan Town Hall
Meath: 6pm at the Fairgreen, Kells
Cavan: 6pm at Market Square, Cavan Town
Monaghan: 6pm at The Lace Gallery, Carrickmacross
Kilkenny: 6.30pm at the Town Hall, High Street
Wexford: 7pm on Wexford Quay
Tyrone: 7pm at Omagh Courthouse
Tipperary: 7.30pm at the Main Guard, O’Connell Street, Clonmel
SATURDAY
Donegal: 2pm at the Amazing Grace Memorial, Buncrana
Wicklow: 6pm in the square, Blessington
Kildare: 6pm at the Square, Maynooth
Galway: 7pm in Eyre Square
SUNDAY
Clare: 2.15pm at the Killaloe side of the bridge that links Clare and Tipperary