The late Jamie Diver has been remembered as a perfectionist who was always willing to help others.
The young man died alongside his friend, teenager Shaun McClafferty in a crash near Gortahork in west Donegal on Friday night last.
His funeral Mass took place today - Shaun Mc Clafferty's funeral takes place tomorrow.
Two others remain in a serious condition in hospital.
Gardai are continuing to appeal for witnesses to the crash to come forward.
The priest presiding over the Mass, Fr Donnchah O'Baoil also spoke of the two survivors: