I used to think it was called Lucky in Love, but I now I think that’s a different tune. Then I thought it was The Burren, but am not sure. My impression is that this is pretty common fare… Can any one divine the name from the fragment below?
X:1
T:???
R:Reel
M:C|
K:D
A2B2 AFDF | AF (3Bcd f3g | afef dedB | AFDF FEDF | ~A3B
G~F3 | AF (3Bcd ~f3g | afef dedB | Adfe d3e 
fded BAFA | dcdf ~a3f | g …
No doubt it has a proper name, but everyone calls it Charlie Harris’ reel, since De Dannan recorded it along with another reel, calling the set Charlie Harris’ reels. Charlie Harris being a box player who lives about Clare these days I believe.
Kevin Burke mischievously turned the other tune in the De Dannan set into a polka and recorded it as Charlie Harris’ polka.
As for Lucky in Love there is a tune in G that Joe McKenna recorded in a set with the subject of your query so maybe that is the source of your confusion.
There’s at least one other Lucky in Love too, recorded by Planxty on After the Break…
In fact it is. He plays it as a duet with Mary Bergin. I used bits of that track to learn it, but picked up most from a whistle tune & lilt track by Cran (Desi Wilkinson, Ronan Browne, Sean Corcoran): they do it with Earl’s Chair and the Copperplate. The rendition that inspired me, however, was heard late on November 8th in the Northern Suburbs of Montreal, and featured a tweaked blue-headed Generation, a borrowed tweaked Susato, and various fiddles. 
Great tune. Thanks!