Counterfactual
The Parallel Lives of Karlyn and Savannah
In 17 girls, Karlyn found its level. 50 years earlier, Savannah occupied that same statistical address.
1924–2025
Karlyn
Peak year
1992
Peak births
51
Latest count
17
Status
Declining
Peak generation
Millennial
1880–2025
Savannah
Peak year
2000
Peak births
7,100
Latest count
2,141
Status
Declining
Peak generation
Gen Z
Karlyn 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.