Counterfactual
The Parallel Lives of Carolyn and Kayla
In 185 girls, Carolyn found its level. 50 years earlier, Kayla occupied that same statistical address.
1880–2025
Carolyn
Peak year
1947
Peak births
20,742
Latest count
185
Status
Endangered
Peak generation
Boomer
1933–2025
Kayla
Peak year
1991
Peak births
18,545
Latest count
838
Status
Endangered
Peak generation
Millennial
In 185 girls, Carolyn found its level. 50 years earlier, Kayla occupied that same address. One peaked in the Millennial era; the other in the Boomer world. They never met. But the data remembers them both.