Counterfactual

The Parallel Lives of Jaziyah and Sierra

In 76 girls, Jaziyah found its level. 50 years earlier, Sierra occupied that same statistical address.

2002–2025

Jaziyah

peak 2011 2025 19401960198020002020
Peak year 2011
Peak births 89
Latest count 49
Status Stable
Peak generation Gen Z
1940–2025

Sierra

peak 1998 2025 19401960198020002020
Peak year 1998
Peak births 5,841
Latest count 476
Status Endangered
Peak generation Gen Z
Jaziyah and Sierra 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.