Counterfactual

The Parallel Lives of Madilyn and Eileen

In 662 girls, Madilyn found its level. 50 years earlier, Eileen occupied that same statistical address.

1924–2025

Madilyn

peak 2008 2025 1900192019401960198020002020
Peak year 2008
Peak births 1,169
Latest count 662
Status Stable
Peak generation Gen Z
1882–2025

Eileen

peak 1947 2025 1900192019401960198020002020
Peak year 1947
Peak births 4,251
Latest count 437
Status Stable
Peak generation Boomer
In 662 girls, Madilyn found its level. 50 years earlier, Eileen occupied that same address. One peaked in the Boomer era; the other in the Gen Z world. They never met. But the data remembers them both.