Counterfactual

The Parallel Lives of Halyn and Caitlyn

In 10 girls, Halyn found its level. 50 years earlier, Caitlyn occupied that same statistical address.

1994–2025

Halyn

peak 2006 2025 198020002020
Peak year 2006
Peak births 29
Latest count 10
Status Rising
Peak generation Gen Z
1968–2025

Caitlyn

peak 1998 2025 198020002020
Peak year 1998
Peak births 2,937
Latest count 71
Status Endangered
Peak generation Gen Z
Halyn and Caitlyn 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.