Counterfactual
The Parallel Lives of Fionn and Keegan
In 25 boys, Fionn found its level. 50 years earlier, Keegan occupied that same statistical address.
1973–2025
Fionn
Peak year
2018
Peak births
40
Latest count
25
Status
Stable
Peak generation
Gen Alpha
1965–2025
Keegan
Peak year
2007
Peak births
1,707
Latest count
449
Status
Declining
Peak generation
Gen Z
Fionn and Keegan peaked in the same cultural weather — the Gen Alpha naming world. They are not replacements; they are siblings separated by 50 years, occupying the same statistical address at different addresses in time.