"The greatest incidence of red hair occurs in Wales.."
Wasn't expecting that one.
does anyone know if the 'little people' were supposed to be redheads or something other?
The "little people" were, if we can believe their skeletons found along the coast in North Africa, were very similar to the Kalahari Bushmen. Presumably they ranged up into the British Isles from an earlier time before ocean levels rose.
Today's Bushmen have peppercorn hair growing in "tufts" like Mongolian grass.