Counterfactual

The Parallel Lives of Frederick and Kelvin

In 728 boys, Frederick found its level. 50 years earlier, Kelvin occupied that same statistical address.

1880–2025

Frederick

peak 1951 2025 18801900192019401960198020002020
Peak year 1951
Peak births 4,984
Latest count 728
Status Stable
Peak generation Boomer
1912–2025

Kelvin

peak 1961 2025 18801900192019401960198020002020
Peak year 1961
Peak births 1,370
Latest count 214
Status Declining
Peak generation Boomer
Frederick and Kelvin peaked in the same cultural weather — the Boomer naming world. They are not replacements; they are siblings separated by 50 years, occupying the same statistical address at different addresses in time.