Counterfactual

The Parallel Lives of Jersie and Diamond

In 18 girls, Jersie found its level. 50 years earlier, Diamond occupied that same statistical address.

2001–2025

Jersie

peak 2007 2025 192019401960198020002020
Peak year 2007
Peak births 40
Latest count 18
Status Stable
Peak generation Gen Z
1908–2025

Diamond

peak 1999 2025 192019401960198020002020
Peak year 1999
Peak births 2,160
Latest count 94
Status Endangered
Peak generation Gen Z
Jersie and Diamond 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.