Counterfactual

The Parallel Lives of Emily and Monica

In 5,451 girls, Emily found its level. 50 years earlier, Monica occupied that same statistical address.

1880–2025

Emily

peak 1999 2025 18801900192019401960198020002020
Peak year 1999
Peak births 26,542
Latest count 5,451
Status Declining
Peak generation Gen Z
1880–2025

Monica

peak 1979 2025 18801900192019401960198020002020
Peak year 1979
Peak births 6,585
Latest count 371
Status Endangered
Peak generation Gen X
Emily and Monica 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.