Boys' name · since 1994
Caius
Caius has 2,329 recorded births since 1994 in federal Social Security data, most heavily in 2025 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #2,996 of 45,481
- all-time among boys
- #928 of 13,930
- 2025 SSA year
- 2,329
- born since 1994
- 2010s
- peak decade
2,329 babies have been named Caius since 1994, making it today's #928 boys' name.
According to the U.S. Social Security Administration, Caius has been recorded 2,329 times among boys since 1994, currently ranked #928 nationally and more common than 93% of boys, with its heaviest use in the 2010s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1994 to 2025.
- #2,996 of 45,481 all-time among boys
- #928 of 13,930 2025 SSA year
- 2,329 born since 1994
- 2010s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Caius ranks #2,996 of 45,481 boys' names by all-time recorded births (highest first) and #928 of 13,930 among boys' names in 2025. 2,329 born since 1994, peaking in the 2010s.
- #2,996 of 45,481
- all-time among boys
- #928 of 13,930
- 2025 SSA year
- 2,329
- born since 1994
- 2010s
- peak decade
Caius's 2,329 recorded births place it above 93.41% of the 45,481 boys names in the full SSA archive.
28 jurisdictions carry state-level records, led by California.
How Caius compares
2,329 Top 20% higher than 80% of 13,930 names currently given to boys
Based on all-time total births among currently-ranked boys names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Caius's all-time total is 6x the median boys name, and Liam still leads by a wide margin.
| Metric | Caius | Median boys name (Takari) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 2,329 | 369 | 358,536 |
| Peak-year births | 254 | 34 | 22,252 |
Caius's usage pattern, beyond the headline number
Divide Caius's SSA record in two at 2012 and the more recent half accounts for 87% of all births, the earlier half the remaining 13%, consistent with a name still gaining ground rather than fading. Its calmest year was 1994, with only 5 births recorded -- set against the 2025 peak of 254, that's the full swing in one name's fortunes.
Caius popularity over time
Annual U.S. births registered with the Social Security Administration · 1994–2025
- Peak year (2025)
- 254
- Annual births at peak, across 32 years of records
Currently ranks #928 among boys.
2,329 total births across 32 years of SSA records. Peaked in 2025 with 254 births in a single year.
Caius by decade
2010s is the heaviest window (1,068 births, 46% of the file).
2010s was Caius's strongest decade.
1,068 babies received the name during that ten-year window, about 46% of all-time use.
Caius births by decade
Total births in each ten-year window
- 1990s 12
1990s
12 births
- 2000s 205
2000s
205 births
- 2010s
2010s
1,068 births
- 2020s
2020s
1,044 births
What this shows Peak: 2010s at 1,068 births (46% of all-time use).
Caius decade highlights
- Peak decade 1,068 births
- Runner-up 1,044 births
- Modern era share 2010s + 2020s
- Decades tracked with recorded births
How Caius compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Caius's total volume
Caius by state
Where Caius concentrates geographically, total births since 1994
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 251 | 10.8% |
| #2 | Texas | | 167 | 7.2% |
| #3 | Ohio | | 68 | 2.9% |
| #4 | Pennsylvania | | 66 | 2.8% |
| #5 | Florida | | 65 | 2.8% |
| #6 | New York | | 65 | 2.8% |
| #7 | North Carolina | | 57 | 2.4% |
| #8 | Virginia | | 42 | 1.8% |
251 of 2,329 births nationwide. Compared to a flat distribution across 28 reporting states.
Top 5 states
- California 10.8% of nationwide
- Texas 7.2% of nationwide
- Ohio 2.9% of nationwide
- Pennsylvania 2.8% of nationwide
- Florida 2.8% of nationwide
Recorded in 28 of 51 SSA jurisdictions
California accounts for 10.8% of all recorded births nationwide - a relatively diffuse profile for this name.
Caius appears in 28 states. Explore state details →
Frequently Asked Questions
How popular is the name Caius? ▼
Where does Caius sit in the SSA name archive? ▼
When was Caius most popular? ▼
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What to do with Caius's data
- Caius's usage has stayed within range of its 2010s decade-level peak (1,068 total births) through the 2020s (1,044) -- a comparatively stable name, not a fading trend.
- California records the most Caiuss (251 births) -- see the full state breakdown if geography matters to your decision. California names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Caius
Nearby Names Like Caius
Names with a similar sound, spelling, or feel to Caius
Compare Caius side by side: Caius vs Caiden Caius vs Cairo Caius vs Cain
Related Names
Names with a similar popularity rank to Caius
Nationwide names with similar peak year or record span
Two nationwide peer axes for Caius: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2025)
Similar record span (~31 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1994–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Caius draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.
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