I wish US censuses gave out info of where people moved to! Is this because E. European countries required governmental permission to take up residence in any place, stamped into internal (not international) passports, and so there was a record of where everyone moved to? In the US, people have always moved, helter skelter and very frequently, whereever they wanted, and the government neither gave permission nor had any knowledge of where they were until the next census.
--James Hannum