Counterfactual

The Parallel Lives of Kiyoko and Kaitlyn

In 7 girls, Kiyoko found its level. 50 years earlier, Kaitlyn occupied that same statistical address.

1912–2025

Kiyoko

peak 1921 2025 192019401960198020002020
Peak year 1921
Peak births 58
Latest count 7
Status Rising
Peak generation Greatest Generation
1971–2025

Kaitlyn

peak 2000 2025 192019401960198020002020
Peak year 2000
Peak births 8,759
Latest count 340
Status Endangered
Peak generation Gen Z
In 7 girls, Kiyoko found its level. 50 years earlier, Kaitlyn occupied that same address. One peaked in the Gen Z era; the other in the Greatest Generation world. They never met. But the data remembers them both.