Counterfactual

The Parallel Lives of Erma and Hailey

In 24 girls, Erma found its level. 50 years earlier, Hailey occupied that same statistical address.

1880–2025

Erma

peak 1920 2025 18801900192019401960198020002020
Peak year 1920
Peak births 1,529
Latest count 24
Status Endangered
Peak generation Greatest Generation
1963–2025

Hailey

peak 2003 2025 18801900192019401960198020002020
Peak year 2003
Peak births 8,798
Latest count 2,556
Status Declining
Peak generation Gen Z
In 24 girls, Erma found its level. 50 years earlier, Hailey 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.