Gaius is a rare spelling. It is summarised with Caius, which shares its sound and spelling pattern.
Meaning not yet researched.
Gaius: US boys given the name each year, 1880 to 2025, from Social Security card applications. 31 in 2025. Its best rank was #2,825 in 2014.
US births per year · SSA card applications
Peaked at #2,825 in 2014; #3,598 in 2025. Every baby recorded as Gaius in 2025 was a boy.
Baby name · US data 1880–2025
#3,598 for US boys in 2025. Its best year was 2014, at #2,825.
Hover, tap or use the arrow keys for any year. Years with fewer than five babies of a sex are not published by SSA and show as zero.
Gaius: US boys given the name each year from 1880 to 2025. 31 boys in 2025. Peak: #2,825 in 2014 · most boys in one year: 42 (2014).
In 2025, 31 US boys were named Gaius, making it the 3,598th most common boys’ name of the year, up 36 places from #3,634 in 2024. That is 0 more than the 31 boys named Gaius in 2024. Its best rank for boys was #2,825, reached in 2014. That year also had the most boys given the name: 42. For comparison, it was #5,822 in 2015 and unranked in 1950.
Social Security card records list Gaius in 34 years of the 146 from 1880 to 2025, starting in 1920 with 8 babies. In all, 529 US babies have been given the name, all of them boys. Its busiest decade was the 2010s, with 229 babies named Gaius.
Over the 10 years from 2016 to 2025, 243 US boys were named Gaius; the busiest of those years was 2025, with 31. In 2025 that was about 1 in 55,099 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Caius (2,329 babies since 1880).
Meaning not yet researched.
We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.
Wikidata records this spelling as a given name in Latin. That is where the name is used, not necessarily where it comes from.
Numbers are all-time US births. Links come from Wikidata’s “said to be the same as” (P460, CC0).
No nicknames listed for Gaius in the open dataset we use.
Source: carltonnorthern/nicknames (Apache-2.0).
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | — | — | 31 | #3,598 |
| 2024 | — | — | 31 | #3,634 |
| 2023 | — | — | 17 | #5,533 |
| 2022 | — | — | 23 | #4,473 |
| 2021 | — | — | 19 | #4,987 |
| 2020 | — | — | 30 | #3,603 |
| 2019 | — | — | 22 | #4,526 |
| 2018 | — | — | 19 | #4,989 |
| 2017 | — | — | 28 | #3,816 |
| 2016 | — | — | 23 | #4,370 |
| 2015 | — | — | 15 | #5,822 |
| 2014 | — | — | 42 | #2,825 |
| 2013 | — | — | 30 | #3,525 |
| 2012 | — | — | 24 | #4,177 |
| 2011 | — | — | 13 | #6,359 |
| 2010 | — | — | 13 | #6,473 |
| 2009 | — | — | 20 | #4,810 |
| 2008 | — | — | 16 | #5,579 |
| 2007 | — | — | 17 | #5,276 |
| 2006 | — | — | 14 | #5,883 |
| 2005 | — | — | 7 | #9,447 |
| 2004 | — | — | 6 | #10,405 |
| 1998 | — | — | 5 | #10,151 |
| 1984 | — | — | 5 | #6,658 |
| 1983 | — | — | 5 | #6,606 |
| 1973 | — | — | 7 | #4,230 |
| 1971 | — | — | 5 | #5,179 |
| 1953 | — | — | 5 | #4,010 |
| 1949 | — | — | 6 | #3,464 |
| 1942 | — | — | 6 | #3,342 |
| 1933 | — | — | 5 | #3,842 |
| 1932 | — | — | 5 | #3,969 |
| 1922 | — | — | 7 | #3,649 |
| 1920 | — | — | 8 | #3,316 |
About the data: counts are Social Security card applications for US births, for names given to at least five babies of a sex in a year (SSA, names.zip, public domain). Ranks follow SSA’s own order: most births first, ties alphabetical. Files retrieved 2026-10-05 (checksum on our sources page).