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.

#890 of 45,481
all-time among boys
#389 of 13,930
2025 SSA year
17,613
born since 1918
2010s
peak decade

Kieran currently ranks #389 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 #389 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.

  • #890 of 45,481 all-time among boys
  • #389 of 13,930 2025 SSA year
  • 17,613 born since 1918
  • 2010s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Kieran ranks #890 of 45,481 boys' names by all-time recorded births (highest first) and #389 of 13,930 among boys' names in 2025. 17,613 born since 1918, peaking in the 2010s.

#890 of 45,481
all-time among boys
#389 of 13,930
2025 SSA year
17,613
born since 1918
2010s
peak decade
0%100%Median name50%97.2%
Kieran vs. every other boys name in current SSA rankings
Upper archive tier
All-time archive position

Kieran's 17,613 recorded births place it above 98.04% of the 45,481 boys names in the full SSA archive.

48 jurisdictions
State-record footprint

48 jurisdictions carry state-level records, led by New York.

How Kieran compares

17,613 Top 7% higher than 93% 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

Kieran's all-time total is 48x the median boys name, and Liam still leads by a wide margin.

Metric Kieran Median boys name (Takari) #1 boys name (Liam)
All-time total births 17,613 369 358,536
Peak-year births 817 34 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 popularity over time - boys

Annual U.S. births registered with the Social Security Administration · 1918–2025

Top 1,000 boys' name
Peak year (2025)
817
Annual births at peak, across 108 years of records
02004006008001,000 191819391953196619791992200520182025 817

Kieran popularity over time - girls

1,605 total births recorded since 1949 (Kieran as girls' name)

Unisex variant - 1,605 births
020406080100 194919681978198619942002201020182025 11

Kieran by decade

2010s is the heaviest window (5,282 births, 30% of the file).

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

births

What this shows Peak: 2010s at 5,282 births (30% of all-time use).

Source U.S. Social Security Administration · Baby Names As of August 2026

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 Scatter plot of 16 data points. 0%2%4%6%8%10% 050100150200 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year -146, 2.1%-146, 2.4%-134, 6.3%-66, 4.2%-144, 3.6%-120, 3.8%-78, 4.9%-146, 2.1%-99, 3.2%-146, 3.2%-38, 9.3%-110, 8.5%-112, 2.5%-112, 7.2%-146, 1.5%Kieran-108, 4.6%Kieran
Kieran vs 15 similarly-sized boys names

Kieran by state

Where Kieran concentrates geographically, total births since 1918

Geographically diffuse
Top 8 states by recorded births for the name Kieran
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. Its archive ordinal is #890 of 45,481 among boys' names (total births, highest first). Among boys in 2025, it is #389 of 13,930. 817 babies were born in 2025, its single highest year.
Where does Kieran sit in the SSA name archive?
According to the U.S. Social Security Administration, Kieran ranks #890 of 45,481 boys' names by all-time recorded births (highest first) and #389 of 13,930 among boys' names in 2025. All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the 2025 SSA file. See /methodology#corpus-placement.
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

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

Names with a similar popularity rank to Kieran

Nationwide names with similar peak year or record span

Two nationwide peer axes for Kieran: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

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, 1918–2025 (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 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 August 2026.