Counterfactual

The Parallel Lives of Rainbow and Savannah

In 17 girls, Rainbow found its level. 50 years earlier, Savannah occupied that same statistical address.

1971–2025

Rainbow

peak 1980 2025 18801900192019401960198020002020
Peak year 1980
Peak births 28
Latest count 17
Status Stable
Peak generation Gen X
1880–2025

Savannah

peak 2000 2025 18801900192019401960198020002020
Peak year 2000
Peak births 7,100
Latest count 2,141
Status Declining
Peak generation Gen Z
Rainbow and Savannah peaked in the same cultural weather — the Gen X naming world. They are not replacements; they are siblings separated by 50 years, occupying the same statistical address at different addresses in time.