Counterfactual
The Parallel Lives of Lillian and Catherine
In 3,966 girls, Lillian found its level. 50 years earlier, Catherine occupied that same statistical address.
1880–2025
Lillian
Peak year
1920
Peak births
10,049
Latest count
3,966
Status
Declining
Peak generation
Greatest Generation
1880–2025
Catherine
Peak year
1956
Peak births
12,056
Latest count
972
Status
Endangered
Peak generation
Boomer
In 3,966 girls, Lillian found its level. 50 years earlier, Catherine occupied that same address. One peaked in the Boomer era; the other in the Greatest Generation world. They never met. But the data remembers them both.