Until I am successful at cutting and pasting, and can make links with the blue clicky feature, the most this post can offer is the URL.

https://www.youtube.com/watch?v=TPM5KCMLCzU

This is "Eibhlín A Rún" sung by Máire Ní Scolaí.
Re-released on Gael Linn's "Amhráin Ghrá" anthology;
previously on Gael Linn's vinyl LP "Máire Ní Scolaí" which is not to be found on compact disc format;
initially recorded as a 78 RPM vinyl single for His Master's Voice.