This tune is also known as "The Pretty Brown Girl" (in Irish "An Cailin Deasdonn"), under which name it is in O’Neill’s "The Dance Music of Ireland".
X: 2 & 3 “Óró Bog Liom Í” ~ S: Dermot Byrne and played truly ‘single’, without repeats
Dermot plays this low, in D, X: 2, a G transcription for comparison follows, X: 3…
The nature of this tune, the phrasing, it could also be written out as 12/8, as a slide, a phrase conscious time signature for slides that was not in use before the 20th Century…
X: 4 ~ “The Pretty Brown Girl”
B: O’Neill: "1001 Gems: The Dance Music of Ireland" 1907, page 40, tune #151
Re: My Pretty Fair Maid
Discovered a relative of this one in O’Neill’s 1001: Move Up To Me (https://thesession.org/tunes/17168). Not similar enough that they’re the same tune, but nearly identical B sections.