Transferred use of the surname, in origin denoting a migrant from the province of Lorraine in eastern France. This derives its name from Latin Lotharingia ‘territory of the people of Lothar’. The latter is a Germanic personal name derived from hlud ‘fame’ + heri, hari ‘army’. Lorraine began to be used as a girl's name in Scotland in the 19th century, and for a time in the second half of the 20th century enjoyed great popularity, which has since waned.
Italian (Sicily and Campania): 1. nickname for a quarrelsome or litigious person, from Sicilian, Calabrian sciarra ‘quarrel’, ‘dispute’, ‘lawsuit’. 2. habitational name from Sciarra in Palermo province, Sicily, named with a word denoting a volcanic area. Compare Sciara.