Perhaps if you care to Google 'Cornish diaspora' you will find numerous references to it. Professor Philip Payton, has written extensively on the Cornish Diaspora.  UNESCO, whose acceptance of Cornish Mining as a World Heritage Site this week have acknowledged the Cornish Diaspora and the effect their expertise had upon the wider world. This BBC website acknowledges the Cornish diaspora - there are many more examples and the page should be left as it stands.   http://www.bbc.co.uk/legacies/immig_emig/england/cornwall/article_1.shtml   