Counterfactual

The Parallel Lives of Lela and Sierra

In 76 girls, Lela found its level. 50 years earlier, Sierra occupied that same statistical address.

1880–2025

Lela

peak 1921 2025 18801900192019401960198020002020
Peak year 1921
Peak births 907
Latest count 76
Status Endangered
Peak generation Greatest Generation
1940–2025

Sierra

peak 1998 2025 18801900192019401960198020002020
Peak year 1998
Peak births 5,841
Latest count 476
Status Endangered
Peak generation Gen Z
In 76 girls, Lela found its level. 50 years earlier, Sierra 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.