Counterfactual
The Parallel Lives of Mariann and Zoey
In 8 girls, Mariann found its level. 50 years earlier, Zoey occupied that same statistical address.
1912–2025
Mariann
Peak year
1957
Peak births
337
Latest count
8
Status
Endangered
Peak generation
Boomer
1967–2025
Zoey
Peak year
2012
Peak births
7,482
Latest count
3,427
Status
Declining
Peak generation
Gen Z
In 8 girls, Mariann found its level. 50 years earlier, Zoey 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.