Here's the earliest copy.

X:1
T:Molly St. GEORGE
S:J. & W. Neal, 'A Collection of the Most Celebrated Irish Tunes'
N:Dublin, c 1724
Q:1/4=80
L:1/4
M:3/4
K:G
(d/4e/4f/)|gfe|d(e/d/)(c/B/)|cBA3/4G/4|E2B/d/|e(g/e/)(d/B/)|\
AB/4c/4d/ D|E(G/4A/4B/) A/G/|G2::(D/E/)|G/A/B (A/4B/4c/)|\
B(c/B/)(A/G/)|(c/B/c/d/) e/f/|g2e/g/|ab/a/g/e/|de/d/c/B/|\
cd/c/B/c/|A2(B/A/4B/4)|c/B/c/d/ e/f/|\
g2(f/e/)|(d/g/)(d/B/)(A/G/)|E2B/d/|e(g/e/)(d/B/)|\
A(B/4c/4d/)D|E (G/A/4B/4) A/G/|G2|]