Jaci
Meaning
modern coinage, likely a phonetic short form of Jacqueline or Jacinda
Popularity, 1890–2024
Shape drawn from US Social Security baby-name records. Jaci peaked in the 1990s and the 2020s in nearly equal measure.
See popularity in Brazil
Popularity in Brazil
16,640 people · the #1,199 first name in Brazil · about 1 in 12,195 · median age 63
Among people named Jaci living in Brazil at the 2022 census, more were born in the 1950s than in any other decade.
Source: IBGE, Censo Demográfico 2022
When you meet Jaci
Most people given the name Jaci in the United States are teenagers or young adults today.
Estimated from US Social Security birth registrations and typical lifespans; a rough guide, not a rule.
The Jaci deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Jaci 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 Jaci fits with your family’s names and surname.
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