Counterfactual
The Parallel Lives of Mahlia and Riley
In 11 girls, Mahlia found its level. 50 years earlier, Riley occupied that same statistical address.
1991–2025
Mahlia
Peak year
2009
Peak births
43
Latest count
11
Status
Stable
Peak generation
Gen Z
1923–2025
Riley
Peak year
2016
Peak births
7,159
Latest count
4,441
Status
Declining
Peak generation
Gen Alpha
Mahlia and Riley peaked in the same cultural weather — the Gen Z naming world. They are not replacements; they are siblings separated by 50 years, occupying the same statistical address at different addresses in time.