Counterfactual
The Parallel Lives of Thielen and Aiden
In 7 boys, Thielen found its level. 50 years earlier, Aiden occupied that same statistical address.
2018–2025
Thielen
Peak year
2019
Peak births
34
Latest count
7
Status
Declining
Peak generation
Gen Alpha
1970–2025
Aiden
Peak year
2009
Peak births
16,030
Latest count
5,046
Status
Declining
Peak generation
Gen Z
Thielen and Aiden 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.