Counterfactual

The Parallel Lives of Fianna and Kaitlyn

In 7 girls, Fianna found its level. 50 years earlier, Kaitlyn occupied that same statistical address.

2000–2025

Fianna

peak 2015 2025 198020002020
Peak year 2015
Peak births 24
Latest count 7
Status Declining
Peak generation Gen Alpha
1971–2025

Kaitlyn

peak 2000 2025 198020002020
Peak year 2000
Peak births 8,759
Latest count 340
Status Endangered
Peak generation Gen Z
Fianna and Kaitlyn 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.