Theo
4 lettersFemale #5,894 · 21 reported · Male #82 · 3,945 reported
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US name popularity
Theo name popularity
In the 2025 US Social Security baby-name data, Theo ranks #82 in male records (3,945 reported) and #5,894 in female records (21 reported). These figures count this exact spelling separately.
US national data through 2025 · Source retrieved
Is Theo becoming more popular?
Theo's reported male count decreased by 184 from 2024 to 2025. Its rank changed from #80 to #82. This is an observed US comparison, not a forecast.
Try Theo on your shortlist
Theo has four letters. The US data records Theo separately from Theodore, so the figures here should not be read as a count of everyone who uses Theo as a nickname. Discuss whether you want Theo as the legal first name or Theodore with Theo as an everyday name. Neither choice automatically belongs to the other person’s shortlist.
Theo in US records, 1996–2025
Annual published counts for the exact spelling. A lower rank number means a higher position in that year’s file.
View all annual counts and ranks
| Year | Female count | Female rank | Male count | Male rank |
|---|---|---|---|---|
| 2025 | 21 | 5,894 | 3,945 | 82 |
| 2024 | 31 | 4,554 | 4,129 | 80 |
| 2023 | 42 | 3,705 | 4,140 | 78 |
| 2022 | 50 | 3,276 | 3,642 | 98 |
| 2021 | 64 | 2,708 | 2,703 | 142 |
| 2020 | 44 | 3,493 | 2,225 | 172 |
| 2019 | 31 | 4,534 | 2,018 | 195 |
| 2018 | 7 | 13,679 | 1,554 | 243 |
| 2017 | 7 | 13,992 | 1,232 | 290 |
| 2016 | 11 | 10,057 | 952 | 354 |
| 2015 | — | — | 765 | 406 |
| 2014 | — | — | 550 | 509 |
| 2013 | — | — | 365 | 663 |
| 2012 | — | — | 287 | 790 |
| 2011 | — | — | 245 | 863 |
| 2010 | — | — | 221 | 918 |
| 2009 | — | — | 187 | 1,033 |
| 2008 | — | — | 188 | 1,022 |
| 2007 | — | — | 191 | 1,012 |
| 2006 | — | — | 156 | 1,120 |
| 2005 | — | — | 139 | 1,154 |
| 2004 | — | — | 133 | 1,178 |
| 2003 | — | — | 109 | 1,295 |
| 2002 | 5 | 17,892 | 98 | 1,355 |
| 2001 | — | — | 84 | 1,471 |
| 2000 | — | — | 101 | 1,289 |
| 1999 | — | — | 76 | 1,502 |
| 1998 | — | — | 63 | 1,664 |
| 1997 | — | — | 62 | 1,645 |
| 1996 | — | — | 53 | 1,761 |
Questions about Theo’s popularity
How common is Theo in the US?
In the 2025 US Social Security baby-name data, Theo ranks #82 in male records (3,945 reported) and #5,894 in female records (21 reported). These figures count this exact spelling separately. The rank describes its position among names in this national file; it does not estimate how many children in a particular classroom will share it.
Does this include other spellings of Theo?
No. The SSA counts each exact spelling separately. The table and download on this page include Theo only.
Can I compare this name with my partner?
Use Save or Maybe above to start a device shortlist. Create separate accounts and connect them to see each other’s saved names and maybes. Both saving Theo creates a match.
Download Theo’s annual counts and ranks (CSV) · Sources and calculation details