Counterfactual
The Parallel Lives of Haidyn and Fay
In 50 girls, Haidyn found its level. 50 years earlier, Fay occupied that same statistical address.
1993–2025
Haidyn
Peak year
2010
Peak births
167
Latest count
50
Status
Declining
Peak generation
Gen Z
1880–2025
Fay
Peak year
1926
Peak births
722
Latest count
39
Status
Endangered
Peak generation
Greatest Generation
In 50 girls, Haidyn found its level. 50 years earlier, Fay occupied that same address. One peaked in the Greatest Generation era; the other in the Gen Z world. They never met. But the data remembers them both.