Counterfactual
The Parallel Lives of Ruby and Kathleen
In 3,554 girls, Ruby found its level. 50 years earlier, Kathleen occupied that same statistical address.
1880–2025
Ruby
Peak year
1924
Peak births
8,406
Latest count
3,554
Status
Stable
Peak generation
Greatest Generation
1880–2025
Kathleen
Peak year
1951
Peak births
26,716
Latest count
201
Status
Endangered
Peak generation
Boomer
In 3,554 girls, Ruby found its level. 50 years earlier, Kathleen 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.