Nitelink bus.
The 41 to swords from abbey street is a 24hr bus route as it goes through the airport.
https://www.dublinbus.ie/24-hour-timetables/route-41
But the Nitelink is the 33n and is only at 01:30
https://www.dublinbus.ie/timetables/route-33n
https://www.dublinbus.ie/24-hour-timetables/route-41
But the Nitelink is the 33n and is only at 01:30
https://www.dublinbus.ie/timetables/route-33n