Registers are very important documents for a community. They have saved the most important biodemographic happenings: datas relating to birth, marriage and death. Their processing has two ways. Today it is very popular (it is trendy) to make the genealogical tree. On the other hand registers are examined on the level of the community - settlement on a longer time period. The oldest register in the world is from 1538. Synod of Trident (1563.) has prescribed to write the register of marriage and birth compulsory, while from 1600. the register of death, too. On the territory of Hungary registers are imperfect during the 17th century. After the Ottomans and the re settlement of the southern part of Hungary, writing of the registers continued immediately, and by a regulation from 1827. in every settlement was compulsory to write it. The oldest registers of Subotica are from 1687. They are not perfect but are unique in this territory. .
