Counterfactual
The Parallel Lives of Marianne and Haley
In 110 girls, Marianne found its level. 50 years earlier, Haley occupied that same statistical address.
1886–2025
Marianne
Peak year
1957
Peak births
3,023
Latest count
110
Status
Endangered
Peak generation
Boomer
1890–2025
Haley
Peak year
2000
Peak births
9,069
Latest count
314
Status
Endangered
Peak generation
Gen Z
In 110 girls, Marianne found its level. 50 years earlier, Haley 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.