Total births
2,011
Boys' name · since 2005
Kaius
Kaius has 2,011 recorded births since 2005 in federal Social Security data, most heavily in 2025 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #1139
- among boys today
- 2,011
- born since 2005
- 2020s
- peak decade
- 92%
- more common than other boys
Kaius currently ranks #1139 among boys' names in America, with 2,011 babies recorded since 2005.
According to the U.S. Social Security Administration, Kaius has been recorded 2,011 times among boys since 2005, currently ranked #1139 nationally and more common than 92% of boys, with its heaviest use in the 2020s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 2005 to 2025.
- #1139 among boys today
- 2,011 born since 2005
- 2020s peak decade
- 92% more common than other boys
Data updated Jul 2026
The verdict
Kaius is currently the #1139 boys' name in America, more common than 92% of boys - 2,011 born since 2005, peaking in the 2020s.
- #1139
- among boys today
- 2,011
- born since 2005
- 2020s
- peak decade
- 92%
- more common than other boys
Kaius vs. every other boys name in current SSA rankings
#1139
of 14,294 boys in use
More common than 92% of names given to boys today.
2020s
Peak decade
57% of everyone ever named Kaius was born in this single decade.
2025
Single peak year
216 babies were named Kaius in 2025 - its busiest year on record.
How Kaius compares
2,011 Top 21% higher than 79% of 14,294 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
Kaius's all-time total is 5x the median boys name, and Liam still leads by a wide margin.
| Metric | Kaius | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 2,011 | 367 | 358,536 |
| Peak-year births | 216 | 23 | 22,252 |
Kaius's usage pattern, beyond the headline number
Splitting Kaius's full recorded timeline at 2015, 87% of its total births fall in the more recent half of the record versus 13% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 2005, with just 7 recorded births -- worth weighing against the 2025 peak of 216 to see the full range of the name's swing in popularity.
Kaius at a glance
Outside the top 1,000Peak year
2025
Current rank
#1,139
Active since
2005
Kaius popularity over time
Annual U.S. births registered with the Social Security Administration · 2005–2025
- Peak year (2025)
- 216
- Annual births at peak, across 21 years of records
Kaius by decade
Total births in each ten-year window, peak vs trough at a glance
2020s was Kaius's strongest decade.
1,150 babies received the name during that ten-year window, about 57% of all-time use.
Kaius births by decade
Total births in each ten-year window
- 2000s 54
2000s
54 births
- 2010s
2010s
807 births
- 2020s
2020s
1,150 births
What this shows Peak: 2020s at 1,150 births (57% of all-time use).
How Kaius 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 Kaius's total volume
Kaius vs 15 similarly-sized boys names
Kaius by state
Where Kaius concentrates geographically, total births since 2005
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 189 | 9.4% |
| #2 | Texas | | 180 | 9.0% |
| #3 | Florida | | 96 | 4.8% |
| #4 | New York | | 80 | 4.0% |
| #5 | Ohio | | 60 | 3.0% |
| #6 | North Carolina | | 59 | 2.9% |
| #7 | Washington | | 46 | 2.3% |
| #8 | Arizona | | 36 | 1.8% |
California share of Kaius's total US births 9.4%
Even split
189 of 2,011 births nationwide. Compared to a flat distribution across 31 reporting states.
Kaius appears in 31 states. Explore state details →
Frequently Asked Questions
How popular is the name Kaius? ▼
Kaius has been given to 2,011 babies in the U.S. since 2005, according to SSA data. Among boys, it ranks #1139 as of the latest data. 216 babies were born in 2025, its single highest year.
When was Kaius most popular? ▼
Kaius was most popular in the 2020s decade with 1,150 total births. The single peak year was 2025.
Where is Kaius most popular? ▼
The top states for the name Kaius are California (189 births), Texas (180 births), Florida (96 births).
How long has the name Kaius been used? ▼
Records for Kaius go back to 2005, giving 21 years of history through 2025.
What names are similar to Kaius? ▼
Names with a similar sound or spelling include Kai, Kaiden, Kairo, Kaison, and 4 more. These share a common prefix and are also used for boys.
What to do with Kaius's data
- California records the most Kaiuss (189 births) -- see the full state breakdown if geography matters to your decision. California names
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Kaius
Nearby Names Like Kaius
Names with a similar sound, spelling, or feel to Kaius
Kai Boy
#76 70,232 births
Kaiden Boy
#208 52,562 births
Kairo Boy
#238 11,224 births
Kaison Boy
#515 7,182 births
Kaiser Boy
#801 3,921 births
Compare Kaius side by side: Kaius vs Kai Kaius vs Kaiden Kaius vs Kairo
Related Names
Names with a similar popularity rank to Kaius
Data Sources
Data as of July 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, 2005–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Kaius: #1139 Boys' Name - 2,011 Births, Peak 2025." NameAlmanac. Accessed via https://namealmanac.com/name/kaius. Licensed CC BY-SA 4.0.
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 Kaius 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 July 2026.