I heard somewhere that young girls were simply given a family name and numbered to distinguish from each other. Is there any truth to this? Didn't it get confusing? Was this common in other cultures?
I noticed Cicero's daughter is referred to as Tullia, which is his clan(?) name.
This question comes up a lot here, and so here are some older threads with a plethora of information, including one from /u/toldinstone in the midst of a tryptophan-induced daze!