Welcome to Plein Eire.
We are steadily building up a SW contingent and in any case, you don't need 20 people for an excellent paint-out. I read from your post that you are in contact already with Kevin and Mary. Hopefully, by the time you are back in Ireland in the spring there will be core group and things will start to roll.
In any case, even though it is an Irish site, there's nothing to stop you posting your paintings or drawings done outdoors wherever you are going - I'm presuming you are heading south, rather than north!
Anyway, glad you have signed up and please use the site to keep in touch.