Counterfactual
The Parallel Lives of Rosalea and Mackenzie
In 14 girls, Rosalea found its level. 50 years earlier, Mackenzie occupied that same statistical address.
1915–2025
Rosalea
Peak year
1926
Peak births
22
Latest count
14
Status
Stable
Peak generation
Greatest Generation
1973–2025
Mackenzie
Peak year
2001
Peak births
6,934
Latest count
1,343
Status
Declining
Peak generation
Gen Z
In 14 girls, Rosalea found its level. 50 years earlier, Mackenzie occupied that same address. One peaked in the Gen Z era; the other in the Greatest Generation world. They never met. But the data remembers them both.