Casimir
Casimir is a Latin version of the Polish male name Kazimierz. The original Polish feminine form is Kazimiera, in Latin and other languages rendered as Casimira. It has two possible meanings: "preacher of peace" or alternatively "destroyer of peace".
Meaning & Origin of Casimir
What this name means, where it came from, and how it has traveled across cultures.
Casimir is a Latin version of the Polish male name Kazimierz. The original Polish feminine form is Kazimiera, in Latin and other languages rendered as Casimira. It has two possible meanings: "preacher of peace" or alternatively "destroyer of peace".
Source: Wikipedia (CC BY-SA 3.0). Read more →
The Story of Casimir
Casimir first appeared in U.S. Social Security Administration records as a baby boy name in 1894, with 5 babies given the name that year. Its peak popularity came in 1919, when 220 Casimirs were born — ranking #394 that year. As of 2026, Casimir ranks #2,171 for baby boys with 68 births, rising sharply (+101% over the past five years). In total, more than 5K Casimirs have been born in the U.S. since records began in 1880, spanning the 1890s through the 2020s.
Popularity Over Time
Popularity by State
Notable people named Casimir
A small selection from Wikipedia. Tap "Read more" below to see the full list on Wikipedia.
- Casimir I of Poland , Polish name Kazimierz Odnowiciel (the Restorer) (1015–1058)
- Casimir II of Poland , Polish name Kazimierz Sprawiedliwy (the Just) (1138–1194)
- Casimir III of Poland , Polish name Kazimierz Wielki (the Great) (1310–1370)
- Casimir IV Jagiellon , Polish name Kazimierz Jagielończyk, Lithuanian name Kazimieras I Jogailaitis (1427–1492)
- Casimir I, Duke of Pomerania -Demmin (after 1130–1180)
- Casimir II, Duke of Pomerania -Demmin ( c. 1180 – 1219)
- Casimir III, Duke of Pomerania -Stettin (1348–1372)
- Casimir IV, Duke of Pomerania -Stolp (1351–1377)
Source: Wikipedia (CC BY-SA 3.0). Read more →
Names that sound like Casimir
Phonetically similar names — useful when Casimir is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.
Source: Datamuse . Phonetic similarity ranking, not curated.
Frequently Asked Questions about Casimir
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About the name Casimir
Casimir is a boy baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1894 and has accumulated 5K births in the dataset. Casimir's peak popularity came in 1919 when it ranked #393. Use the chart and map above to compare Casimir's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
- Top names of 1919 →
- Names of the 1910s →
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- Top names of 2026 →
Data sources
- Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
- Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
- Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
- Predicted nationality distribution — Nationalize.io .
- Phonetically similar names — Datamuse .
Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.