Add to ORKGThe author has access to the oldest book of the town of Gelnica (1432- 1605) which is situated in the east Slovakia region (published by Peter Lang, Frankfurt/M. 2002). He discusses names of the late Middle Ages. The article deals with problems of proper names (first names) in a district of the Slovakian-German contact area in the 15. and 16. centuries. It is focused on social problems of the people in later periods, such as a demographic census and plague epidemies