Hi,
I learned this version in the early 70s from a compilation LP, I'm fairly sure it was Ann Breene singing. Think Harnett is a family name?
Someone once corrected me one or two of the words I have for the third verse (second half); but I can't remember what they said - sorry!
Maggie

Sit you down loyal comrades, sit you down for a while
While I spend my last hours in Erin's Green Isle
come fill up your glasses and we'll drink hand in hand
for tomorrow I'll be leaving the shores of Lough Bran.

In the oncoming morning I'll be bidding adieu
To Leitrim, Drumshanbo and sweet Carrick too
But no matter what fortunes I may seek far away
My thoughts will be with you by night and by day.

No more will I ramble 'round Hartnett's green hills
And the place I love dearest is down by the mill
It's great fertile valley where oft times I ran
And felt the fresh breezes round the Shores of Lough Bran

There's my father and mother, you can hear them both sigh
And the tears down their pale cheeks, it would moisten your eye
But I will assist them, please God, when I can
Far away from lovely Ireland and the shores of Lough Bran.