The briefest of vintage Hansard trawls:
Those economic migrants, 1860 style:
"MR. H. B. JOHNSTONE called attention to the fact of some hundreds of English artisans leaving our dockyards for the purpose of obtaining employment at Cherbourg, where it was reported that they were paid much higher wages than they received in this country. In the absence of the noble Lord, the Minister for Foreign Affairs, he would defer the consideration of the question until Monday.
Sensible fellows, those artisans.