There was migration to the English Midlands with accent on the glassware trade. There remain a number of sources to be examined, but the story to date is very much concerned with the Northumberland and Durham area.
For migration to Scotland, see
Looking at the map above, shows the extent of Clasper births but does not show the true spead. As an example of the Clasper events at a set period in time see the 1881 census map.
Between the years 1840 and his death in 1870, Harry was known throughout the country, as would be a famous sports person of today.
