Counterfactual

The Parallel Lives of Mayleen and Kaylee

In 25 girls, Mayleen found its level. 50 years earlier, Kaylee occupied that same statistical address.

1978–2025

Mayleen

peak 2012 2025 1960198020002020
Peak year 2012
Peak births 65
Latest count 25
Status Declining
Peak generation Gen Z
1943–2025

Kaylee

peak 2009 2025 1960198020002020
Peak year 2009
Peak births 7,219
Latest count 1,205
Status Declining
Peak generation Gen Z
Mayleen and Kaylee 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.