Counterfactual
The Parallel Lives of Robyn and Rosalie
In 150 girls, Robyn found its level. 50 years earlier, Rosalie occupied that same statistical address.
1921–2025
Robyn
Peak year
1964
Peak births
1,882
Latest count
150
Status
Endangered
Peak generation
Boomer
1880–2025
Rosalie
Peak year
1938
Peak births
3,758
Latest count
1,797
Status
Rising
Peak generation
Silent Generation
In 150 girls, Robyn found its level. 50 years earlier, Rosalie occupied that same address. One peaked in the Silent Generation era; the other in the Boomer world. They never met. But the data remembers them both.