Counterfactual

The Parallel Lives of Kailyn and Haley

In 110 girls, Kailyn found its level. 50 years earlier, Haley occupied that same statistical address.

1981–2025

Kailyn

peak 2011 2025 1900192019401960198020002020
Peak year 2011
Peak births 793
Latest count 110
Status Declining
Peak generation Gen Z
1890–2025

Haley

peak 2000 2025 1900192019401960198020002020
Peak year 2000
Peak births 9,069
Latest count 314
Status Endangered
Peak generation Gen Z
Kailyn and Haley 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.