Gaius
Boy name · #3599 in 2025 · Uniqueness 77/100
Gaius is currently the #3599 boy name in the United States — 31 babies received it in 2025. A decade ago it stood at #5746, so the name has been rising over the past ten years. Roughly one in every 58,065 boys born in 2025 was named Gaius.
The 105-year story
The historical record for Gaius begins in 1920 with 8 recorded births. Its peak came in 2014, when 42 boys were named Gaius — good for #2805 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Gaius per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Gaius against up to 5 other names.
Uniqueness: will there be another Gaius in class?
Gaius scores 77 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "rare" band. A high score means genuine rarity — your Gaius will likely be the only one in the room, with the occasional spelling-out as the price.
Where Gaius is most common
State-level data for Gaius is sparse in 2025 — the name's footprint is too small for most states to report (the SSA suppresses counts under 5 per state for privacy).
Names like Gaius
Statistically, parents drawn to Gaius tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Arius, Sirius, Tiberius, Kidus, and Cylus.
AriusSiriusTiberiusKidusCylusTytusTidusSylus
Rank history (last 25 years)
| Year | Babies named Gaius | Rank |
|---|---|---|
| 2025 | 31 | #3583 |
| 2024 | 31 | #3605 |
| 2023 | 17 | #5470 |
| 2022 | 23 | #4442 |
| 2021 | 19 | #4936 |
| 2020 | 30 | #3570 |
| 2019 | 22 | #4480 |
| 2018 | 19 | #4918 |
| 2017 | 28 | #3781 |
| 2016 | 23 | #4327 |
| 2015 | 15 | #5746 |
| 2014 | 42 | #2805 |
| 2013 | 30 | #3497 |
| 2012 | 24 | #4131 |
| 2011 | 13 | #6256 |
| 2010 | 13 | #6359 |
| 2009 | 20 | #4748 |
| 2008 | 16 | #5487 |
| 2007 | 17 | #5210 |
| 2006 | 14 | #5781 |
| 2005 | 7 | #9115 |
| 2004 | 6 | #9948 |
| 1998 | 5 | #9631 |
| 1984 | 5 | #6315 |
| 1983 | 5 | #6238 |
Frequently asked questions
Is Gaius a popular boy name?
Gaius ranked #3599 among boys in 2025 with 31 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #5746.
When was the name Gaius most popular?
Gaius peaked in 2014, when 42 American boys received the name (ranked #2805 that year). Since 2014 the name has declined from that high.
How rare is the name Gaius?
In 2025, roughly 1 in 58,065 newborn American boys was named Gaius. It scores 77/100 on our uniqueness scale (rarity blended with momentum), which we classify as "rare".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.