Counterfactual
The Parallel Lives of Kiyah and Chelsey
In 45 girls, Kiyah found its level. 50 years earlier, Chelsey occupied that same statistical address.
1991–2025
Kiyah
Peak year
2002
Peak births
111
Latest count
45
Status
Declining
Peak generation
Gen Z
1969–2025
Chelsey
Peak year
1992
Peak births
2,880
Latest count
18
Status
Endangered
Peak generation
Millennial
Kiyah and Chelsey 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.