Counterfactual

The Parallel Lives of Keilah and Isabella

In 31 girls, Keilah found its level. 50 years earlier, Isabella occupied that same statistical address.

1976–2025

Keilah

peak 2005 2025 18801900192019401960198020002020
Peak year 2005
Peak births 66
Latest count 31
Status Stable
Peak generation Gen Z
1880–2025

Isabella

peak 2010 2025 18801900192019401960198020002020
Peak year 2010
Peak births 22,936
Latest count 10,666
Status Declining
Peak generation Gen Z
Keilah and Isabella 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.