Hum.. I live in the Breton speaking part of Brittany, but i don't really speak it, even if i know words and use typical expressions in this language (which is very close to Welsh, if it can help american people to imagine what it souds like).
As you say, I might be the only one on this forum, though, Breton must have been very spoken in Tortuga and Saint-Domingue, because many breton people went across the atlantic as "engagés" in the colonies.
Anyway, thanks all for this warm welcome!