Counterfactual

The Parallel Lives of Alison and Bobbi

In 644 girls, Alison found its level. 50 years earlier, Bobbi occupied that same statistical address.

1905–2025

Alison

peak 1980 2025 192019401960198020002020
Peak year 1980
Peak births 2,980
Latest count 644
Status Stable
Peak generation Gen X
1932–2025

Bobbi

peak 1971 2025 192019401960198020002020
Peak year 1971
Peak births 844
Latest count 109
Status Rising
Peak generation Gen X
Alison and Bobbi 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.