Total births
17,613
Unisex name · since 1918
Kieran
Kieran has 17,613 recorded births since 1918 in federal Social Security data, most heavily in 2025 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #440
- among boys today
- 17,613
- born since 1918
- 2010s
- peak decade
- 97%
- more common than other boys
Kieran currently ranks #440 among unisex names in America, with 17,613 babies recorded since 1918.
Kieran has 17,613 recorded births among boys since 1918, per the U.S. Social Security Administration, ranked #440 as of the latest data, more common than 97% of boys, busiest in the 2010s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1918 to 2025.
- #440 among boys today
- 17,613 born since 1918
- 2010s peak decade
- 97% more common than other boys
Data updated Jun 2026
The verdict
Kieran is currently the #440 unisex name in America, more common than 97% of boys - 17,613 born since 1918, peaking in the 2010s.
- #440
- among boys today
- 17,613
- born since 1918
- 2010s
- peak decade
- 97%
- more common than other boys
Kieran vs. every other boys name in current SSA rankings
#440
of 14,294 boys in use
More common than 97% of names given to boys today.
2010s
Peak decade
30% of everyone ever named Kieran was born in this single decade.
2025
Single peak year
817 babies were named Kieran in 2025 - its busiest year on record.
How Kieran compares
17,613 Top 6% higher than 94% 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
Kieran's all-time total is 48x the median boys name, and Liam still leads by a wide margin.
| Metric | Kieran | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 17,613 | 367 | 358,536 |
| Peak-year births | 817 | 23 | 22,252 |
Kieran's usage pattern, beyond the headline number
Splitting Kieran's full recorded timeline at 1976, 94% of its total births fall in the more recent half of the record versus 6% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1923, with just 5 recorded births -- worth weighing against the 2025 peak of 817 to see the full range of the name's swing in popularity.
Kieran at a glance
Top 1,000 boys' namePeak year
2025
Current rank
#440
Active since
1918
Kieran popularity over time - boys
Annual U.S. births registered with the Social Security Administration · 1918–2025
- Peak year (2025)
- 817
- Annual births at peak, across 108 years of records
Kieran popularity over time - girls
1,605 total births recorded since 1949 (Kieran as girls' name)
Kieran by decade
Total births in each ten-year window, peak vs trough at a glance
2010s was Kieran's strongest decade.
5,282 babies received the name during that ten-year window, about 30% of all-time use.
Kieran births by decade
Total births in each ten-year window
- 1910s 8
1910s
8 births
- 1920s 38
1920s
38 births
- 1930s 48
1930s
48 births
- 1940s 81
1940s
81 births
- 1950s 222
1950s
222 births
- 1960s 374
1960s
374 births
- 1970s 415
1970s
415 births
- 1980s 610
1980s
610 births
- 1990s
1990s
2,177 births
- 2000s
2000s
4,412 births
- 2010s
2010s
5,282 births
- 2020s
2020s
3,946 births
What this shows Peak: 2010s at 5,282 births (30% of all-time use).
How Kieran 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 Kieran's total volume
Kieran vs 15 similarly-sized boys names
Kieran by state
Where Kieran concentrates geographically, total births since 1918
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | New York | | 2,289 | 13.0% |
| #2 | California | | 1,928 | 10.9% |
| #3 | Pennsylvania | | 1,071 | 6.1% |
| #4 | New Jersey | | 891 | 5.1% |
| #5 | Texas | | 706 | 4.0% |
| #6 | Florida | | 563 | 3.2% |
| #7 | Minnesota | | 563 | 3.2% |
| #8 | Illinois | | 562 | 3.2% |
New York share of Kieran's total US births 13.0%
Even split
2,289 of 17,613 births nationwide. Compared to a flat distribution across 48 reporting states.
Kieran appears in 48 states. Explore state details →
Frequently Asked Questions
How popular is the name Kieran? ▼
Kieran has been given to 17,613 babies in the U.S. since 1918, according to SSA data. Among boys, it ranks #440 as of the latest data. 817 babies were born in 2025, its single highest year.
When was Kieran most popular? ▼
Kieran was most popular in the 2010s decade with 5,282 total births. The single peak year was 2025.
Where is Kieran most popular? ▼
The top states for the name Kieran are New York (2,289 births), California (1,928 births), Pennsylvania (1,071 births).
Is Kieran a unisex name? ▼
Yes, Kieran is used for both boys and girls. As a boy's name it has 17,613 births, and as a girl's name it has 1,605 births.
How long has the name Kieran been used? ▼
The SSA has tracked Kieran since 1918 -- 108 years through the most recent 2025 data.
What names are similar to Kieran? ▼
Names with a similar sound or spelling include Kieth, Kiel, Kiefer, Kiernan, and 4 more. These share a common prefix and are also used for boys.
What to do with Kieran's data
- Kieran's usage has stayed within range of its 2010s decade-level peak (5,282 total births) through the 2020s (3,946) -- a comparatively stable name, not a fading trend.
- New York records the most Kierans (2,289 births) -- see the full state breakdown if geography matters to your decision. New York 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 Kieran
Nearby Names Like Kieran
Names with a similar sound, spelling, or feel to Kieran
Kieth Boy
2,837 births
Kiel Boy
#11140 2,505 births
Kiefer Boy
#12851 1,950 births
Kiernan Boy
#3115 1,761 births
Kieron Boy
#10055 730 births
Compare Kieran side by side: Kieran vs Kieth Kieran vs Kiel Kieran vs Kiefer
Related Names
Names with a similar popularity rank to Kieran
Kyle #439
485,780 births · Peak 1990
Fabian #441
44,250 births · Peak 2007
Miller #438
11,172 births · Peak 2025
Sutton #442
7,351 births · Peak 2025
Clark #437
50,851 births · Peak 1961
Tanner #443
97,625 births · Peak 1998
Benson #436
14,312 births · Peak 2025
Marcelo #444
13,231 births · Peak 2025
Data Sources
Data as of June 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, 1918–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Kieran: #440 Unisex Name - 17,613 Births, Peak 2025." NameAlmanac. Accessed via https://namealmanac.com/name/kieran. 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 Kieran 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 June 2026.