Counterfactual

The Parallel Lives of Jean and Jefferson

In 176 boys, Jean found its level. 50 years earlier, Jefferson occupied that same statistical address.

1880–2025

Jean

peak 1993 2025 18801900192019401960198020002020
Peak year 1993
Peak births 428
Latest count 184
Status Stable
Peak generation Millennial
1880–2025

Jefferson

peak 2009 2025 18801900192019401960198020002020
Peak year 2009
Peak births 444
Latest count 298
Status Stable
Peak generation Gen Z
Jean and Jefferson 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.