The words are in the DT here and there are several forum threads - chords are available and a tune was sent to MMario according to one of the thread, but the tune doesn't seem to be in Mudcat Midis.

You can find Tommy Makem's own words on his site: Farewell To Carlingford - Tommy Makem

The Dubliners' words are in Henry's Songbook (of Susan and...): Farewell To Carlingford - Dubliners


There is a video of Luke Kelly singing it on YouTube - Farewell To Carlingford - Luke Kelly.

There's probably a lot more, but I hope that's enough to be going on with.

Mick