Counterfactual

The Parallel Lives of Brendan and Collin

In 195 boys, Brendan found its level. 50 years earlier, Collin occupied that same statistical address.

1912–2025

Brendan

peak 1999 2025 1900192019401960198020002020
Peak year 1999
Peak births 3,995
Latest count 195
Status Endangered
Peak generation Gen Z
1895–2025

Collin

peak 1996 2025 1900192019401960198020002020
Peak year 1996
Peak births 3,358
Latest count 613
Status Declining
Peak generation Millennial
Brendan and Collin 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.