girls:
185 births since 2000
#5531 (3rd percentile)
boys:
31 births since 2014
#4555 (1st percentile)
overall:
216 births since 2000
#7523 (3rd percentile)
The name Io is the #7,523 most popular name of all time in the U.S. on a gender-neutral basis, with a total of 216 recorded births since 2000. This represents the 2.8% percentile of name popularity (more popular than 2.8% of all names). For girls, it ranks #5,531 (3.2% percentile) for all time with 185 births since 2000. For boys, it ranks #4,555 (0.6% percentile) for all time with 31 births since 2014.
Io first appeared in U.S. birth records in 2000 (2000 for girls and 2014 for boys). Birth data for Io is available in 20 out of the 24 years between 2000 and 2023 (20 years for girls and 5 years for boys). 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.
The name Io has been given predominantly to girls, with 85.6% of all recorded births being female. In 2023, 66.7% of babies named Io were girls.
For girls, Io reached its peak popularity in 2022, achieving the 1.4% percentile (ranked #945) with 10 births per million. The name was most common in 2022, with 10 births per million (ranked 1.4% percentile). Since reaching a low point around 2019, the popularity of this name for girls has been increasing. Currently, Io ranks #942 for girls (0.5% percentile) with 6 births per million, which is 56.9% of its peak share of births.
For boys, Io reached its peak popularity in 2020, achieving the 0.2% percentile (ranked #899) with 4 births per million. The name was most common in 2020, with 4 births per million (ranked 0.2% percentile). In recent years, the popularity of this name for boys has remained relatively stable. Currently, Io ranks #911 for boys (0.0% percentile) with 3 births per million, which is 72.2% of its peak share of births.
This chart shows the total number of births per million babies in each year for the name "Io".
These names exclude other spelling variations of Ayo. View all variations of Ayo.
These similar-looking names have spellings that are closest to the spelling of "Io", in the sense that there are the fewest number of letter differences between the two spellings. This list excludes the 2 other name spellings that we've determined are also variations of "Ayo" based on shared pronunciations. Click here for more details on names that are pronounced like Ayo..
Our model has identified 3 different pronunciations for the name Io. Click the play button under each pronunciation to hear it spoken aloud.
Our model is 78.4% confident that Io is pronounced as AI-oh, which has 2 syllables. The next most likely pronunciation is EE-oh, at 13.5% confidence, with 2 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 Io? These are pronunciations that other similar names use, but which are not currently associated with Io. If you think any of these are valid pronunciations for Io, 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 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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