Counterfactual
The Parallel Lives of Kaija and Mackenzie
In 14 girls, Kaija found its level. 50 years earlier, Mackenzie occupied that same statistical address.
1967–2025
Kaija
Peak year
2002
Peak births
49
Latest count
14
Status
Declining
Peak generation
Gen Z
1973–2025
Mackenzie
Peak year
2001
Peak births
6,934
Latest count
1,343
Status
Declining
Peak generation
Gen Z
Kaija and Mackenzie 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.