Counterfactual

The Parallel Lives of Mariyah and Ashleigh

In 75 girls, Mariyah found its level. 50 years earlier, Ashleigh occupied that same statistical address.

1990–2025

Mariyah

peak 2009 2025 198020002020
Peak year 2009
Peak births 431
Latest count 75
Status Declining
Peak generation Gen Z
1966–2025

Ashleigh

peak 1991 2025 198020002020
Peak year 1991
Peak births 1,717
Latest count 16
Status Endangered
Peak generation Millennial
Mariyah and Ashleigh 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.