Counterfactual
The Parallel Lives of Diesel and Isiah
In 59 boys, Diesel found its level. 50 years earlier, Isiah occupied that same statistical address.
2001–2025
Diesel
Peak year
2014
Peak births
156
Latest count
59
Status
Declining
Peak generation
Gen Alpha
1880–2025
Isiah
Peak year
2001
Peak births
822
Latest count
120
Status
Stable
Peak generation
Gen Z
Diesel and Isiah 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.