 Constantino Lemaitre bought the town's land in 1793 in order to gain the title of Marquis.The Lemaitre family were the last feudal lords to control Guardialfiera when the feudal system was suppressed in 1806.In the early part of the 20th century many individuals emigrated from Guardialfiera, to North America, especially to Montreal, Quebec, Canada and Sudbury, Ontario, Canada.