If you delve deep into Welsh family history you'll soon be as familiar with Pennsylvanian counties such as Lackawanna and Luzerne as you are with places nearer home. We tend to underestimate the Welsh contribution to North America, look at this interesting youtube of ethnic background in the US for example. Even as late as 1931 the Welsh element made the top 17 and even that was a big decline from the proportion in earlier years.
Two things to remember, the US immigration and census authorities were the first governmental bodies in the modern world to recognise the Welsh as a separate nationality - this at a time when the for Wales see England attitude ruled the roost. Secondly the great majority of Welsh migrants in the Victorian period were Welsh speakers. Anyway take a look:
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