Counterfactual
The Parallel Lives of Markell and Hayden
In 40 boys, Markell found its level. 50 years earlier, Hayden occupied that same statistical address.
1962–2025
Markell
Peak year
2005
Peak births
176
Latest count
40
Status
Declining
Peak generation
Gen Z
1880–2025
Hayden
Peak year
2006
Peak births
6,470
Latest count
2,268
Status
Stable
Peak generation
Gen Z
Markell and Hayden peaked in the same cultural weather — the Gen Z naming world. They are not replacements; they are siblings separated by 50 years, occupying the same statistical address at different addresses in time.