Cosmo
Meaning
order, harmony, universe
Popularity, 1890–2024
Shape drawn from US Social Security baby-name records. Cosmo peaked in the 2020s.
See popularity in Brazil
Popularity in Brazil
16,619 people · the #1,200 first name in Brazil · about 1 in 12,195 · median age 47
Among people named Cosmo living in Brazil at the 2022 census, more were born in the 1970s than in any other decade.
The census also counted 52 born between 2020 and August 2022, too recent a span to chart.
Source: IBGE, Censo Demográfico 2022
The Cosmo deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Cosmo 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 Cosmo fits with your family’s names and surname.
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