Counterfactual

The Parallel Lives of Shayleigh and Bailey

In 5 girls, Shayleigh found its level. 50 years earlier, Bailey occupied that same statistical address.

1991–2025

Shayleigh

peak 2009 2025 192019401960198020002020
Peak year 2009
Peak births 45
Latest count 5
Status Declining
Peak generation Gen Z
1916–2025

Bailey

peak 1998 2025 192019401960198020002020
Peak year 1998
Peak births 5,198
Latest count 1,446
Status Declining
Peak generation Gen Z
Shayleigh and Bailey 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.