The folks in the Leinster group that assert continental origins are these:
Gaston - France (Huguenot) to Northern Ireland
Babie/Baubie - France
Probst - Hoffenheim, Germany (Baden-Wurttemburg)
They are all CCGG, and Gaston is L159.2+.
Did Babie/Baubie and Probst test for L159.2? The 464x=2c2g in and of itself is not conclusive, but if these two also fit with the Leinster Ht's AND end up as L159.2+, that's making a pretty good case.
Both Baubie and Probst fit in perfectly with the Leinster haplotypes, but they have not yet tested for L159.2.
Interesting turn of results for me (Baubie). Since starting all the DNA testing so many years ago and obtaining the Y results as well as the Irish Sea information, I was able to discover that my father was adopted. Therefore, you can check one off for France and add it back to Ireland.