The first name Kasimir
A boy’s name.
3 syllables Male
Popularity in the United States
Babies named Kasimir at birth, 1880–2025
In 2025, 6 boys born in the United States were named Kasimir, the 11,344th most popular boys’ name that year. It was used most in 2021, when 9 were.
80
babies named Kasimir since 1880
#11,344
rank in 2025
2021
peak year
US Social Security Administration, from applications for a Social Security card. A name is only published for a year when at least five babies were given it, so quieter years show as zero.
Famous people named Kasimir
12 on Wikidata, most written-about first
- Kasimir LeinoFinnish opinion journalist and writer (1866–1919)
- Kazimir HnatowFrench footballer (1929–2010)
- Casimir I of OpoleDuke of Opole-Racibórz, 1178–1230
- Frederick Casimir, Count Palatine of Zweibrücken-LandsbergCount Palatine of Zweibrücken-Landsberg, 1585–1645
- Casimir of BytomDuke of Opole and Bytom, 1250–1312
- Casimir IV, Duke of PomeraniaDuke of Pomerania-Stolp, 1351–1377
- Casimir Christoph SchmidelGerman botanist (1718–1792)
- Casimir II, Duke of PomeraniaDuke of Pomerania, 1180–1219
- Atos WirtanenFinnish politician (1906-1979)
- Casimir V, Duke of PomeraniaDuke of Pomerania, 1381–1434
- Casimir III, Duke of PomeraniaDuke of Pomerania-Stettin, 1351–1372
- Casimir, Count of Lippe-Brake(1627-1700)
Questions
- When was Kasimir most popular?
- 2021 in the United States, when 9 babies were named Kasimir, its highest rank at 8,514th.