Counterfactual

The Parallel Lives of Sylvia and Yvette

In 1,017 girls, Sylvia found its level. 50 years earlier, Yvette occupied that same statistical address.

1880–2025

Sylvia

peak 1937 2025 18801900192019401960198020002020
Peak year 1937
Peak births 4,371
Latest count 1,017
Status Rising
Peak generation Silent Generation
1898–2025

Yvette

peak 1967 2025 18801900192019401960198020002020
Peak year 1967
Peak births 2,743
Latest count 128
Status Endangered
Peak generation Gen X
In 1,017 girls, Sylvia found its level. 50 years earlier, Yvette occupied that same address. One peaked in the Gen X era; the other in the Silent Generation world. They never met. But the data remembers them both.