No, it doesn't actually tell you.
But if you get the event where you see a reflection, and you make the right choice, that villager will be duplicated with a totem.
I had this happen with a child of a brand new tribe. She had a totem at 7 years old.
Once I finally made her an elder, my stat page said I've made 2.

No one else in this new tribe has mastered even two things other than the girl with double elder status.