Counterfactual
The Parallel Lives of Sira and Caitlyn
In 10 girls, Sira found its level. 50 years earlier, Caitlyn occupied that same statistical address.
1997–2025
Sira
Peak year
2016
Peak births
15
Latest count
10
Status
Stable
Peak generation
Gen Alpha
1968–2025
Caitlyn
Peak year
1998
Peak births
2,937
Latest count
71
Status
Endangered
Peak generation
Gen Z
Sira and Caitlyn 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.