A number of vigils in memory of Michael Snee & Aidan Moffitt will be held across the country in the coming days.
If more should be added, we will update this post with new info in the comments.
As of now, these are the vigils confirmed. Please check locally in case there are any changes.

Belfast: Friday, April 15, 6pm, City Hall
Cork: Monday, April 18, 6pm, Bishop Lacey Park
Carlow: Friday, April 15 , 6pm, Liberty Tree Fountain
Dublin: Friday, April 15, 6pm, Dáil Éireann
Galway, City: Saturday, April 16, 7pm, Eyre Square
Galway, Loughrea: Friday, April 15, 5 pm, The Long Point
Kerry, Tralee: Monday, April 18, 7pm, The Square
Kildare, Newbridge: Friday, April 15, 6pm, Liffey Linear Park
Killkenny: Friday, April 15, 6:30pm, Town Hall
Laois, Portlaoise: Friday, April 15, 6pm, Laois County Council Plaza
Leitrim, Carrick-on-Shannon: Monday, April 18, 6pm, Town Clock.
Limerick: Monday, April 18, 6pm, Arthur’s Quay
Louth, Drogheda: Friday, April 15, 6pm, Tholsel
Louth, Dundalk: Friday, April 15, 6pm, Town Square
Mayo, Ballina: Wednesday, April 20, 9pm, Tom Ruane Park
Sligo: Friday, April 15, 6pm, Town Hall
Tipperary, Clonmel: Friday, April 15, 7:30pm, Main Guard, O’Connell Street, Clonmel
Tyrone, Omagh: Friday, April 15, 7pm, Omagh Courthouse
Waterford: Friday, April 15, 6pm, John Roberts Square
Westmeath, Mullingar: Friday, April 15, 6pm, Mullingar Park
Wexford: Friday, April 15, 7pm, Wexford Quay
Wicklow, Arklow: Monday, April 18, 6pm, Arklow Bandstand
Wicklow, Blessington: Saturday, April 16, 6pm, The Square in Blessington
Wicklow, Bray: Friday, April 15, 5pm, Bray Bandstand

From https://gcn.ie/vigils-michael-snee-aidan-moffitt-across-ireland/