Io Name Popularity and Statistics
Io is used for both girls and boys. The statistics below show this exact spelling in official U.S. records.
Meaning, origin, and pronunciation details are shown only after they have been independently reviewed.
How Do You Spell Io?
Io is spelled I-O. The name has 2 letters.
Io Popularity in 2025
Rank#14,942
Recorded Births5
Rank#12,008
Recorded Births5
- Girls usage fell 5,326 places to #14,942 and recorded 5 fewer births compared with 2023.
- Boys usage rose 231 places to #12,008 and recorded the same number of births compared with 2023.
Figures reflect this exact spelling in the latest available U.S. Social Security Administration records. See the complete year-by-year trend.
Io Popularity by Year
The table below shows the most recent available records for this exact spelling from 2007 through 2025. Use the full history page to explore every recorded year.
| Year | Usage Category | Recorded Births | National Rank |
|---|---|---|---|
| 2025 | Girls | 5 | #14,942 |
| 2025 | Boys | 5 | #12,008 |
| 2023 | Girls | 10 | #9,616 |
| 2023 | Boys | 5 | #12,239 |
| 2022 | Girls | 18 | #6,464 |
| 2022 | Boys | 6 | #10,863 |
| 2021 | Girls | 15 | #7,250 |
| 2020 | Girls | 11 | #8,953 |
| 2020 | Boys | 7 | #9,554 |
| 2019 | Girls | 6 | #13,799 |
| 2018 | Girls | 11 | #9,151 |
| 2017 | Girls | 7 | #12,713 |
| 2016 | Girls | 16 | #7,230 |
| 2015 | Girls | 5 | #16,419 |
| 2015 | Boys | 6 | #10,644 |
| 2014 | Girls | 12 | #8,966 |
| 2014 | Boys | 7 | #9,642 |
| 2013 | Girls | 12 | #9,036 |
| 2012 | Girls | 12 | #9,109 |
| 2011 | Girls | 9 | #11,181 |
| 2010 | Girls | 6 | #14,959 |
| 2009 | Girls | 8 | #12,429 |
| 2008 | Girls | 5 | #17,504 |
| 2007 | Girls | 5 | #17,636 |
When Was Io Most Popular?
Peak years are based on the highest recorded birth totals for this exact spelling and usage category. They are ordered by birth count, not chronologically.
2022 · Girls
18 recorded births
National rank #6,464
2016 · Girls
16 recorded births
National rank #7,230
2021 · Girls
15 recorded births
National rank #7,250
2014 · Girls
12 recorded births
National rank #8,966
Where Io Ranked Highest in 2013
State rankings are calculated separately for girls and boys within each state. The SSA omits state-level names recorded fewer than five times, so low visible counts can still represent a relatively high state rank.
Top States for Girls
| State | Rank | Recorded Births |
|---|---|---|
| CA | #3,400 | 5 |