Here is the tune:

X:46
T:The Peatbog Soldiers
B:The Dubliners' Songbook
N:filename[ PEATBOG
M:2/4
L:1/4
K:A
|F C|F A/ G/|F C|F F|B G|A F|G C|F2|
A A|A (c/B/)|A E|A A|B G|A F|G C|HF |: E|
c3/2 c/|c A|B2|B B|A3/2 A/|A F|G2|G C|F2-|F:|]

Source: The Dubliners' Song Book, edited by Eric Winter, (c) 1974 Music Sales Limited.