EN
The characteristics of the surnames of Piotrków Trybunalski's inhabitants Keywords: anthroponymy, the region history, dialectology. Słowa kluczowe: antroponimia, historia regionu, dialektologia. The characteristics of Piotrków inhabitants' surnames from the chronological period of the 16th-20th cen-turies was made on the historical-social background of the town, using chrony as an interpretative method. The analysis of the anthroponyms let me identify some typical naming features of the region. The most im-portant of these are: numerous surnames deriving from the names of jobs, distinctive structural onimical forms in particular phases of the development of Piotrków inhabitants' anthroponymy, relatively late mod-elling of suffix -ski and -k-, the influence of phonetics, dialectal lexis and probably dialectal word-formation on shaping Piotrków inhabitants' onyms as well the genetic diversity of the 19th and early 20th-century anthroponymy based on Polish and foreign language morphological systems.