Counterfactual

The Parallel Lives of Stephania and Mackenzie

In 14 girls, Stephania found its level. 50 years earlier, Mackenzie occupied that same statistical address.

1898–2025

Stephania

peak 1916 2025 1900192019401960198020002020
Peak year 1916
Peak births 85
Latest count 14
Status Declining
Peak generation Greatest Generation
1973–2025

Mackenzie

peak 2001 2025 1900192019401960198020002020
Peak year 2001
Peak births 6,934
Latest count 1,343
Status Declining
Peak generation Gen Z
In 14 girls, Stephania 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.