Walshmob.net

Walsh: A common Irish surname, meaning "Briton" or "foreigner", taken to Ireland by British (Welsh, Cornish and Cumbrian) soldiers during and after the Norman invasion of Ireland. It is the fourth most common surname in Ireland (source: Wikipedia)

Mob: Collective noun for a group of kangaroos (source: Wikipedia). Also, a post-colonial indigenous Australian term for a cohesive group of people (source: Wiktionary)