Counterfactual
The Parallel Lives of Kassidy and Ida
In 240 girls, Kassidy found its level. 50 years earlier, Ida occupied that same statistical address.
1975–2025
Kassidy
Peak year
2000
Peak births
1,007
Latest count
240
Status
Declining
Peak generation
Gen Z
1880–2025
Ida
Peak year
1918
Peak births
4,450
Latest count
209
Status
Endangered
Peak generation
Greatest Generation
In 240 girls, Kassidy found its level. 50 years earlier, Ida 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.