Counterfactual
The Parallel Lives of Tanyla and Savannah
In 17 girls, Tanyla found its level. 50 years earlier, Savannah occupied that same statistical address.
2000–2025
Tanyla
Peak year
2010
Peak births
27
Latest count
17
Status
Stable
Peak generation
Gen Z
1880–2025
Savannah
Peak year
2000
Peak births
7,100
Latest count
2,141
Status
Declining
Peak generation
Gen Z
Tanyla and Savannah peaked in the same cultural weather — the Gen Z naming world. They are not replacements; they are siblings separated by 50 years, occupying the same statistical address at different addresses in time.