Counterfactual
The Parallel Lives of Delphine and Madeleine
In 42 girls, Delphine found its level. 50 years earlier, Madeleine occupied that same statistical address.
1880–2025
Delphine
Peak year
1958
Peak births
348
Latest count
42
Status
Stable
Peak generation
Boomer
1881–2025
Madeleine
Peak year
1998
Peak births
1,424
Latest count
679
Status
Stable
Peak generation
Gen Z
In 42 girls, Delphine found its level. 50 years earlier, Madeleine occupied that same address. One peaked in the Gen Z era; the other in the Boomer world. They never met. But the data remembers them both.