Jefferson
Meaning
surname meaning "son of Geoffrey"; it crossed to Brazil on the surname-name wave, where the respelling Jeferson now outnumbers it
Goes by Jeff
Jefferson's name family
One shared root links 5 names in English.
Shared root: a Germanic compound whose second element is frid "peace"; the first is still argued over, so the traditional "peaceful pledge" glosses stay hedged
The family
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Popularity, 1890–2024
Shape drawn from US Social Security baby-name records. Jefferson peaked in the 2000s and the 2020s in nearly equal measure.
Popularity in Brazil
82,811 people · the #371 first name in Brazil · about 1 in 2,451 · median age 30
Among people named Jefferson living in Brazil at the 2022 census, more were born in the 1990s than in any other decade.
The census also counted 872 born between 2020 and August 2022, too recent a span to chart.
Source: IBGE, Censo Demográfico 2022
The Jefferson deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Jefferson truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how Jefferson fits with your family’s names and surname.
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