Counterfactual
The Parallel Lives of Tilly and Christopher
In 302 girls, Tilly found its level. 50 years earlier, Christopher occupied that same statistical address.
1912–2025
Tilly
Peak year
2025
Peak births
302
Latest count
302
Status
Rising
Peak generation
Gen Alpha
1938–2023
Christopher
Peak year
1982
Peak births
430
Latest count
0
Status
Declining
Peak generation
Millennial
In 302 girls, Tilly found its level. 50 years earlier, Christopher occupied that same address. One peaked in the Millennial era; the other in the Gen Alpha world. They never met. But the data remembers them both.