Counterfactual
The Parallel Lives of Heriberto and Hayden
In 40 boys, Heriberto found its level. 50 years earlier, Hayden occupied that same statistical address.
1916–2025
Heriberto
Peak year
1993
Peak births
249
Latest count
40
Status
Declining
Peak generation
Millennial
1880–2025
Hayden
Peak year
2006
Peak births
6,470
Latest count
2,268
Status
Stable
Peak generation
Gen Z
Heriberto and Hayden 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.