soc.genealogy.ireland - join
Genealogy in Ireland (both North and South).
Low activity, 454 subscribers, Usenet

soc.genealogy.australia+nz - join
Australia, New Zealand, and their territories.
Medium activity, 382 subscribers, Usenet

soc.genealogy.computing - join
Genealogical computing & net resources.
Low activity, 512 subscribers, Usenet