Counterfactual
The Parallel Lives of Marcial and Aidan
In 20 boys, Marcial found its level. 50 years earlier, Aidan occupied that same statistical address.
1911–2025
Marcial
Peak year
1991
Peak births
45
Latest count
20
Status
Stable
Peak generation
Millennial
1936–2025
Aidan
Peak year
2003
Peak births
10,067
Latest count
1,043
Status
Declining
Peak generation
Gen Z
Marcial and Aidan peaked in the same cultural weather — the Millennial naming world. They are not replacements; they are siblings separated by 50 years, occupying the same statistical address at different addresses in time.