Counterfactual
The Parallel Lives of Mandy and Isabella
In 31 girls, Mandy found its level. 50 years earlier, Isabella occupied that same statistical address.
1880–2025
Mandy
Peak year
1978
Peak births
3,110
Latest count
31
Status
Endangered
Peak generation
Gen X
1880–2025
Isabella
Peak year
2010
Peak births
22,936
Latest count
10,666
Status
Declining
Peak generation
Gen Z
In 31 girls, Mandy found its level. 50 years earlier, Isabella occupied that same address. One peaked in the Gen Z era; the other in the Gen X world. They never met. But the data remembers them both.