Counterfactual
The Parallel Lives of Bonnie and Summer
In 785 girls, Bonnie found its level. 50 years earlier, Summer occupied that same statistical address.
1880–2025
Bonnie
Peak year
1947
Peak births
10,214
Latest count
785
Status
Endangered
Peak generation
Boomer
1949–2025
Summer
Peak year
1998
Peak births
2,558
Latest count
1,973
Status
Rising
Peak generation
Gen Z
In 785 girls, Bonnie found its level. 50 years earlier, Summer 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.