Counterfactual

The Parallel Lives of Maddyson and Hailey

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

1995–2025

Maddyson

peak 2009 2025 198020002020
Peak year 2009
Peak births 71
Latest count 24
Status Stable
Peak generation Gen Z
1963–2025

Hailey

peak 2003 2025 198020002020
Peak year 2003
Peak births 8,798
Latest count 2,556
Status Declining
Peak generation Gen Z
Maddyson 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.