Each town has special registers for data registration concerning its citizens and their family members when their births, marriages and deaths took place in other towns in Switzerland. 1850 to present at 10 years intervals throughout Switzerland. Marriage and inheritance data, etc. For some of them since about 1620.
Some early records give birthdates.
Data in family group sheet. Those made by the Protestant clergy are generally kept in civil registration offices. Origins of other countries are given for naturalized persons. State and city archives and libraries, especially in the cantons of Geneva, Bern, Vaud and Zurich. From the 15th to the 18th century for canton conscriptions and mercenaries 2.