Counterfactual
The Parallel Lives of Dayna and Savannah
In 17 girls, Dayna found its level. 50 years earlier, Savannah occupied that same statistical address.
1937–2025
Dayna
Peak year
1988
Peak births
361
Latest count
17
Status
Endangered
Peak generation
Millennial
1880–2025
Savannah
Peak year
2000
Peak births
7,100
Latest count
2,141
Status
Declining
Peak generation
Gen Z
Dayna and Savannah peaked in the same cultural weather — the Millennial naming world. They are not replacements; they are siblings separated by 50 years, occupying the same statistical address at different addresses in time.