Counterfactual
The Parallel Lives of Collier and Hayden
In 40 boys, Collier found its level. 50 years earlier, Hayden occupied that same statistical address.
1898–2025
Collier
Peak year
2013
Peak births
61
Latest count
40
Status
Stable
Peak generation
Gen Alpha
1880–2025
Hayden
Peak year
2006
Peak births
6,470
Latest count
2,268
Status
Stable
Peak generation
Gen Z
Collier and Hayden peaked in the same cultural weather — the Gen Alpha naming world. They are not replacements; they are siblings separated by 50 years, occupying the same statistical address at different addresses in time.