Counterfactual

The Parallel Lives of Topanga and Bella

In 29 girls, Topanga found its level. 50 years earlier, Bella occupied that same statistical address.

1994–2025

Topanga

peak 1998 2025 18801900192019401960198020002020
Peak year 1998
Peak births 48
Latest count 29
Status Rising
Peak generation Gen Z
1880–2025

Bella

peak 2010 2025 18801900192019401960198020002020
Peak year 2010
Peak births 5,136
Latest count 2,129
Status Declining
Peak generation Gen Z
Topanga and Bella 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.