Counterfactual
The Parallel Lives of Julissa and Helena
In 205 girls, Julissa found its level. 50 years earlier, Helena occupied that same statistical address.
1964–2025
Julissa
Peak year
2006
Peak births
1,530
Latest count
205
Status
Declining
Peak generation
Gen Z
1880–2025
Helena
Peak year
2025
Peak births
841
Latest count
841
Status
Stable
Peak generation
Gen Alpha
Julissa and Helena 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.