Counterfactual

The Parallel Lives of Trudy and Kaylee

In 25 girls, Trudy found its level. 50 years earlier, Kaylee occupied that same statistical address.

1896–2025

Trudy

peak 1947 2025 1900192019401960198020002020
Peak year 1947
Peak births 975
Latest count 25
Status Endangered
Peak generation Boomer
1943–2025

Kaylee

peak 2009 2025 1900192019401960198020002020
Peak year 2009
Peak births 7,219
Latest count 1,205
Status Declining
Peak generation Gen Z
In 25 girls, Trudy found its level. 50 years earlier, Kaylee occupied that same address. One peaked in the Gen Z era; the other in the Boomer world. They never met. But the data remembers them both.