Italian / Polish / Portuguese / Slavic / Spanish roots
Casimiro comes from the Italian / Polish / Portuguese / Slavic / Spanish tradition, meaning Destroyer of peace.
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How popular is Casimiro?
1921peak year
Casimiro has settled into a steady rhythm — neither rising sharply nor fading, holding a consistent place in U.S. birth records. It currently ranks well outside the top 1,000 (around #10335), with about 7 babies named Casimiro each year. In 1921, 28 babies received the name (ranked #1418). Total registrations across all years since 1880: roughly 1,078.
Year-by-year registrations1880–2024 · U.S. Social Security data
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