Counterfactual
The Parallel Lives of Heily and Breanna
In 32 girls, Heily found its level. 50 years earlier, Breanna occupied that same statistical address.
1993–2025
Heily
Peak year
2008
Peak births
54
Latest count
32
Status
Stable
Peak generation
Gen Z
1965–2025
Breanna
Peak year
1996
Peak births
4,701
Latest count
69
Status
Endangered
Peak generation
Millennial
Heily and Breanna 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.