boys:
5.1k births since 1894
#1677 (63rd percentile)
overall:
5.1k births since 1894
#3820 (51st percentile)
The name Casimir is the #3,820 most popular name of all time in the U.S. on a gender-neutral basis, with a total of 5,115 recorded births since 1894. This represents the 50.6% percentile of name popularity (more popular than 50.6% of all names). For boys, it ranks #1,677 (63.4% percentile) for all time with 5,115 births since 1894.
Casimir first appeared in U.S. birth records in 1894 (first recorded for boys in 1894). Birth data for Casimir is available in 129 out of the 130 years between 1894 and 2023. The Social Security Administration only reports birth data for years in which the name was given to at least five children of the same gender.
For boys, Casimir reached its peak popularity in 1919, achieving the 36.7% percentile (ranked #339) with 217 births per million. The name was most common in 1919, with 217 births per million (ranked 36.7% percentile). Since reaching a low point around 2020, the popularity of this name for boys has been increasing. Currently, Casimir ranks #859 for boys (5.7% percentile) with 31 births per million, which is 14.4% of its peak share of births.
This chart shows the total number of births per million babies in each year for the name "Casimir".
These names exclude other spelling variations of this name. View all variations of Casimir.
These similar-looking names have spellings that are closest to the spelling of "Casimir", in the sense that there are the fewest number of letter differences between the two spellings. These names exclude other spelling variations of this name. View all variations of Casimir.
Our model has identified 26 different pronunciations for the name Casimir. Click the play button under each pronunciation to hear it spoken aloud.
Our model is 15.5% confident that Casimir is pronounced as KA-suh-mihr, which has 3 syllables. The next most likely pronunciation is KA-zih-mihr, at 12.1% confidence, with 3 syllables.
If none of the pronunciations above sound right to you, could you please check whether any of these related pronunciations should be applied to the name Casimir? These are pronunciations that other similar names use, but which are not currently associated with Casimir. If you think any of these are valid pronunciations for Casimir, please vote using the thumbs up button.
Our confidence scores estimate the likelihood that a particular pronunciation is the most correct for a given name spelling. These scores are derived from pronunciation dictionaries, manual verification, your feedback, and a fine-tuned large language model trained to generate name pronunciations.
For any given spelling, confidence scores across all identified pronunciations sum to 100%. However, these scores don't account for the possibility of valid pronunciations that our model hasn't identified.
The raw pronunciations shown (like K AE1 S AH0 M IH0 R) use the ARPAbet phoneme system, a standardized way to represent English speech sounds. Each symbol represents a distinct sound in American English. Visit the ARPAbet Wikipedia page to learn more about these phonetic symbols.
Pronunciation audio is generated by an open source text to speech model that has been customized to adhere to pronunciations provided in ARPAbet format, but sometimes pronunciations that differ subtly will sound identical, particularly if the only difference is the level of emphasis on a syllable or a single vowel sound.
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