The chords as I play 'em...

G............Em............C........Am......D
Winter it is past, and the summer's come at last
........C...............G.......C......D
And the small birds are singing in the trees
......C.................G.............C.......Am...D
Their little hearts are glad, ah, but mine is very sad
.......G............C...Am........D
For my true love is far away from me
.........C...............G.............C.......Am....D
And it's straight I will repair to the Curragh of Kildare
.........G...............C.......Am....D
For it's there I'll find tidings of my dear
Hope they line up correctly - I've found that a non-proportional font and dots seems, usually, to be most reliable (here's where I shoot myself in the foot...!).