Counterfactual
The Parallel Lives of Shelby and Hannah
In 444 girls, Shelby found its level. 50 years earlier, Hannah occupied that same statistical address.
1913–2025
Shelby
Peak year
1991
Peak births
10,220
Latest count
444
Status
Endangered
Peak generation
Millennial
1880–2025
Hannah
Peak year
2000
Peak births
23,087
Latest count
3,973
Status
Declining
Peak generation
Gen Z
Shelby and Hannah 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.