Counterfactual

The Parallel Lives of Kalea and Kayla

In 185 girls, Kalea found its level. 50 years earlier, Kayla occupied that same statistical address.

1977–2025

Kalea

peak 2004 2025 19401960198020002020
Peak year 2004
Peak births 187
Latest count 185
Status Stable
Peak generation Gen Z
1933–2025

Kayla

peak 1991 2025 19401960198020002020
Peak year 1991
Peak births 18,545
Latest count 838
Status Endangered
Peak generation Millennial
Kalea and Kayla 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.