Counterfactual

The Parallel Lives of Alyanna and Sydney

In 93 girls, Alyanna found its level. 50 years earlier, Sydney occupied that same statistical address.

1994–2025

Alyanna

peak 2012 2025 1900192019401960198020002020
Peak year 2012
Peak births 152
Latest count 93
Status Declining
Peak generation Gen Z
1886–2025

Sydney

peak 2000 2025 1900192019401960198020002020
Peak year 2000
Peak births 10,243
Latest count 873
Status Endangered
Peak generation Gen Z
Alyanna and Sydney 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.