The community of Kilcash in Co Tipperary will this afternoon say goodbye to Nicole Murphy.
The 18-year-old is the first of the four victims of last Friday's crash in Clonmel to be laid to rest.
Funeral mass will take place at St. John the Baptist Church in Kilcash at 12 midday.
Large crowds are expected to pay their respects to Nikki who has been described as a gentle and warm person.
A joint funeral for brother and sister Grace and Luke McSweeney will take place tomorrow, with Zoey Coffey to be laid to rest on Saturday.