Casimiro
Meaning
proclaimer of peace; a classic Spain name sharing its root with the Polish Kazimierz
Popularity, 1890–2024
Shape drawn from US Social Security baby-name records. Casimiro has stayed rare in US records the whole time: no peak decade to name.
See popularity in Brazil
Popularity in Brazil
1,033 people · the #8,102 first name in Brazil · about 1 in 200,000 · median age 64
Among people named Casimiro 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 Casimiro
People given the name Casimiro in the United States span the generations: the middle half were born anywhere from 1950 to 1999. Age is the one thing the name won't tell you.
Estimated from US Social Security birth registrations and typical lifespans; a rough guide, not a rule.
The Casimiro deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Casimiro 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 Casimiro fits with your family’s names and surname.
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