Counterfactual
The Parallel Lives of Hadleigh and Thelma
In 198 girls, Hadleigh found its level. 50 years earlier, Thelma occupied that same statistical address.
1994–2025
Hadleigh
Peak year
2016
Peak births
319
Latest count
198
Status
Stable
Peak generation
Gen Alpha
1880–2025
Thelma
Peak year
1921
Peak births
7,839
Latest count
29
Status
Endangered
Peak generation
Greatest Generation
In 198 girls, Hadleigh found its level. 50 years earlier, Thelma occupied that same address. One peaked in the Greatest Generation era; the other in the Gen Alpha world. They never met. But the data remembers them both.