boys:
657 births since 1990
#3930 (14th percentile)
overall:
657 births since 1990
#7082 (8th percentile)
The name Caio is the #7,082 most popular name of all time in the U.S. on a gender-neutral basis, with a total of 657 recorded births since 1990. This represents the 8.5% percentile of name popularity (more popular than 8.5% of all names). For boys, it ranks #3,930 (14.3% percentile) for all time with 657 births since 1990.
Caio first appeared in U.S. birth records in 1990 (first recorded for boys in 1990).
For boys, Caio reached its peak popularity in 2023, achieving the 3.8% percentile (ranked #876) with 22 births per million. The name was most common in 2023, with 22 births per million (ranked 3.8% percentile). Since reaching a low point around 2017, the popularity of this name for boys has been increasing. Currently, Caio is at or near its peak popularity for boys, ranked #876 (3.8% percentile) with 22 births per million.
This chart shows the total number of births per million babies in each year for the name "Caio".
These names exclude other spelling variations of Kao. View all variations of Kao.
These similar-looking names have spellings that are closest to the spelling of "Caio", in the sense that there are the fewest number of letter differences between the two spellings. This list excludes the 8 other name spellings that we've determined are also variations of "Kao" based on shared pronunciations. Click here for more details on names that are pronounced like Kao..
Our model has identified 5 different pronunciations for the name Caio. Click the play button under each pronunciation to hear it spoken aloud.
Our model is 54.3% confident that Caio is pronounced as KAI-oh, which has 2 syllables. The next most likely pronunciation is KAH-ee-oh, at 17.1% 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 Caio? These are pronunciations that other similar names use, but which are not currently associated with Caio. If you think any of these are valid pronunciations for Caio, 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 AY1 OW0) 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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