Counterfactual
The Parallel Lives of Lilly and Tracie
In 1,218 girls, Lilly found its level. 50 years earlier, Tracie occupied that same statistical address.
1880–2025
Lilly
Peak year
2010
Peak births
2,891
Latest count
1,218
Status
Declining
Peak generation
Gen Z
1899–2025
Tracie
Peak year
1970
Peak births
2,328
Latest count
6
Status
Endangered
Peak generation
Gen X
In 1,218 girls, Lilly found its level. 50 years earlier, Tracie occupied that same address. One peaked in the Gen X era; the other in the Gen Z world. They never met. But the data remembers them both.