Counterfactual
The Parallel Lives of Susan and Lois
In 222 girls, Susan found its level. 50 years earlier, Lois occupied that same statistical address.
1880–2025
Susan
Peak year
1955
Peak births
47,418
Latest count
222
Status
Endangered
Peak generation
Boomer
1880–2025
Lois
Peak year
1927
Peak births
10,505
Latest count
124
Status
Endangered
Peak generation
Greatest Generation
In 222 girls, Susan found its level. 50 years earlier, Lois occupied that same address. One peaked in the Greatest Generation era; the other in the Boomer world. They never met. But the data remembers them both.