Counterfactual
The Parallel Lives of Leigh and Isabella
In 31 girls, Leigh found its level. 50 years earlier, Isabella occupied that same statistical address.
1912–2025
Leigh
Peak year
1969
Peak births
1,564
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, Leigh 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.