 Many Yorkshire dialect words and aspects of pronunciation derive from old Norse due to the Viking influence in this region.As with many British cities, the major period of growth in Sheffield's population occurred during the industrial revolution, when the city attracted large numbers of people looking for work in the local industries (particularly the cutlery and steel industries).In 1801 the population of the Parish of Sheffield was 45,755, by 1891 the population of the soon-to-be City of Sheffield (which covered the same area) was 325,547.