Counterfactual

The Parallel Lives of Mana and Hailey

In 24 girls, Mana found its level. 50 years earlier, Hailey occupied that same statistical address.

1917–2025

Mana

peak 2009 2025 192019401960198020002020
Peak year 2009
Peak births 27
Latest count 24
Status Stable
Peak generation Gen Z
1963–2025

Hailey

peak 2003 2025 192019401960198020002020
Peak year 2003
Peak births 8,798
Latest count 2,556
Status Declining
Peak generation Gen Z
Mana and Hailey 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.