Counterfactual
The Parallel Lives of Marcie and Madeleine
In 42 girls, Marcie found its level. 50 years earlier, Madeleine occupied that same statistical address.
1897–2025
Marcie
Peak year
1971
Peak births
814
Latest count
42
Status
Endangered
Peak generation
Gen X
1881–2025
Madeleine
Peak year
1998
Peak births
1,424
Latest count
679
Status
Stable
Peak generation
Gen Z
In 42 girls, Marcie found its level. 50 years earlier, Madeleine occupied that same address. One peaked in the Gen Z era; the other in the Gen X world. They never met. But the data remembers them both.