A new mum and a seven-year-old boy have lost their lives in separate collisions last night.
A total of six people have lost their lives on Irish roads in a 36-hour period over Christmas.
A 38-year-old man died after his car entered a section of the Grand Canal in Pullough, Co Offaly in the early hours of this morning.
Gardai are appealing for any information on the incident.
Meanwhile, schoolboy Jackson Turner (7) passed away last night, several hours after he was involved in a three-vehicle collision in Newtownabbey, Co Antrim.
The collision occurred at the Old Carrick Road at approximately 6.30pm and seven other people were injured.
Little Jackson, who was a P4 pupil at Sunnylands PS in Carrickfergus, passed away in the Royal Victoria Hospital in Belfast several hours after the crash.
The driver of the car remains in a serious condition this morning. A four-year-old girl is also being treated for injuries sustained in the carsh.
Traffic Update: Camden St in Dublin has now reopened following a road traffic collision— An Garda Síochána (@GardaTraffic) December 26, 2015
Traffic Update The road at Camblin, New Ross, Co Wexford is currently closed due to a serious road traffic collision diversions are in place— An Garda Síochána (@GardaTraffic) December 26, 2015
Five people from the two other cars are also being treated for non life-threatening injuries.
Police in Newtownabbey are appealing for information about the crash, and are keen to hear from anyone who saw the collision which involved two Nissan cars and a Citroen.
Separately, a young woman killed in a road traffic collision yesterday afternoon is understood to be the mother of baby twins.
The woman was the only occupant of a car which hit a wall at Camblin, New Ross, Co Wexford. She has been named locally as Judy Waters (29), originally from Ballywilliam but living in in Campile, South Wextford.
The incident occurred at approximately 4.50pm.
She was pronounced dead at the scene and her body has been removed to University Hospital Waterford. No other people were injured in the incident.
Investigating Gardaí wish to appeal for witnesses to contact New Ross Garda Station on 051-426030 The Garda Confidential Telephone Line 1800 666 111 or any Garda Station.
A teenager died following a three car collision in Cavan yesterday morning.
The crash occurred at Kilcogy approximately 7.30am.
The 18-year-old male, who was travelling alone, was fatally injured when his car collided with a truck and another car.
The victim was pronounced dead at the scene.
Gardai in Cavan are investigating - any witnesses can contact them on 049 436 8800 or the Garda Confidential number on 1800 666 111.
In Dublin, Warren Kenny (16) lost his life following an incident in Ballyfermot on Christmas morning.
The teenager was critically injured after his scrambler-type bike collided at speed with a similar vehicle shortly after 8am.
Elsewhere a man in his 20s died when he was hit by a car on the outskirts of Castledermot, Co Kildare, on Christmas night.