Counterfactual
The Parallel Lives of Tereza and Madison
In 6 girls, Tereza found its level. 50 years earlier, Madison occupied that same statistical address.
1929–2025
Tereza
Peak year
1996
Peak births
22
Latest count
6
Status
Rising
Peak generation
Millennial
1970–2025
Madison
Peak year
2001
Peak births
22,166
Latest count
4,945
Status
Declining
Peak generation
Gen Z
Tereza and Madison 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.