Parish and Civil Registers in Paris
The parish and civil registers in Paris are documents containing records that officially establish the lineage of individuals born, baptized, married, divorced, deceased, or buried in Paris, within its administratively variable boundaries over time. Since the 16th century, the capital has maintained an exceptional quantity of parish registers due to its size and the high number of parishes.
Source: Wikipedia — Parish and Civil Registers in Paris (CC BY-SA 4.0)