Counterfactual

The Parallel Lives of Jakob and Isaiah

In 135 boys, Jakob found its level. 50 years earlier, Isaiah occupied that same statistical address.

1957–2025

Jakob

peak 2001 2025 18801900192019401960198020002020
Peak year 2001
Peak births 2,192
Latest count 135
Status Endangered
Peak generation Gen Z
1880–2025

Isaiah

peak 2006 2025 18801900192019401960198020002020
Peak year 2006
Peak births 10,459
Latest count 5,267
Status Declining
Peak generation Gen Z
Jakob and Isaiah 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.