Counterfactual

The Parallel Lives of Alliyah and Diamond

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

1994–2025

Alliyah

peak 2002 2025 192019401960198020002020
Peak year 2002
Peak births 173
Latest count 18
Status Declining
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
Alliyah 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.