To be clear, I'm NOT asking for names that are currently only common among old people. I'm asking for names that were popular once upon a time, but are carried by next to no living people today.
In (East-)Flanders, some of the most popular names in the 17th-19th centuries were:
- Judocus (Joos)
- Male name
- The Dutch version 'Joost' is still used, but the original Latin and the Flemish version are not.
- Judoca (Josijn)
- Female version of Judocus
- Completely disappeared in all forms.
- Livina
- Female version of 'Lieven' (which is still fairly common)
Some other names from that time: Scholastica, Blandinus, Blandina, Norbertina, Egidius…