Unisex name · since 1881

Kirby

Kirby has 14,532 recorded births since 1881 in federal Social Security data, most heavily in 1957 -- full year-by-year trend, decade aggregates, and state rankings follow.

#987 of 45,481
all-time among boys
#3,240 of 13,930
2025 SSA year
14,532
born since 1881
1950s
peak decade

14,532 babies have been named Kirby since 1881, making it today's #3240 unisex name.

Social Security Administration records show Kirby recorded 14,532 times among boys since 1881, holding rank #3240 nationally today, ahead of 77% of boys, peaking in the 1950s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1881 to 2025.

  • #987 of 45,481 all-time among boys
  • #3,240 of 13,930 2025 SSA year
  • 14,532 born since 1881
  • 1950s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Kirby ranks #987 of 45,481 boys' names by all-time recorded births (highest first) and #3,240 of 13,930 among boys' names in 2025. 14,532 born since 1881, peaking in the 1950s.

#987 of 45,481
all-time among boys
#3,240 of 13,930
2025 SSA year
14,532
born since 1881
1950s
peak decade
0%100%Median name50%76.7%
Kirby vs. every other boys name in current SSA rankings
Upper archive tier
All-time archive position

Kirby's 14,532 recorded births place it above 97.82% of the 45,481 boys names in the full SSA archive.

43 jurisdictions
State-record footprint

43 jurisdictions carry state-level records, led by Texas.

How Kirby compares

14,532 Top 8% higher than 92% 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

Kirby's all-time total is 39x the median boys name, and Liam still leads by a wide margin.

Metric Kirby Median boys name (Takari) #1 boys name (Liam)
All-time total births 14,532 369 358,536
Peak-year births 357 34 22,252

Kirby's usage pattern, beyond the headline number

Kirby splits its recorded history at 1954: 69% of all births land in the more recent half, 31% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 1881 (5 births) -- compare that against the 1957 peak of 357 for a sense of just how much the name's popularity has swung.

Kirby popularity over time - boys

Annual U.S. births registered with the Social Security Administration · 1881–2025

Outside the top 1,000
Peak year (1957)
357
Annual births at peak, across 145 years of records
0100200300400 188119011919193719551973199120092025 36

Kirby popularity over time - girls

3,963 total births recorded since 1917 (Kirby as girls' name)

Unisex variant - 3,963 births
0100200300400 191719471959197119841996200820202025 65

Kirby by decade

1950s is the heaviest window (3,009 births, 21% of the file).

1950s was Kirby's strongest decade.

3,009 babies received the name during that ten-year window, about 21% of all-time use.

Kirby births by decade

Total births in each ten-year window

births

What this shows Peak: 1950s at 3,009 births (21% of all-time use).

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

How Kirby 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 Kirby's total volume

Kirby vs 15 similarly-sized boys names Scatter plot of 16 data points. 0%2%4%6%8%10% 406080100120140160 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 -109, 4.4%-99, 3%-146, 4.6%-122, 3.6%-146, 1.5%-146, 2.1%-64, 8.1%-116, 4.5%-89, 3.6%-74, 4.2%-144, 1.3%-108, 3%-129, 3.1%-61, 5.9%-97, 6.6%Kirby-145, 2.5%Kirby
Kirby vs 15 similarly-sized boys names

Kirby by state

Where Kirby concentrates geographically, total births since 1881

Geographically diffuse
Top 8 states by recorded births for the name Kirby
Rank State Visual share Births Share of total
#1 Texas
1,383 9.5%
#2 Louisiana
746 5.1%
#3 California
686 4.7%
#4 North Carolina
590 4.1%
#5 Illinois
456 3.1%
#6 Pennsylvania
412 2.8%
#7 Ohio
384 2.6%
#8 Missouri
328 2.3%
Texas share of Kirby's total US births 9.5%
Even split

1,383 of 14,532 births nationwide. Compared to a flat distribution across 43 reporting states.

Kirby appears in 43 states. Explore state details →

Frequently Asked Questions

How popular is the name Kirby?
Kirby has been given to 14,532 babies in the U.S. since 1881, according to SSA data. Its archive ordinal is #987 of 45,481 among boys' names (total births, highest first). Among boys in 2025, it is #3,240 of 13,930. 357 babies were born in 1957, its single highest year.
Where does Kirby sit in the SSA name archive?
According to the U.S. Social Security Administration, Kirby ranks #987 of 45,481 boys' names by all-time recorded births (highest first) and #3,240 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 Kirby most popular?
Kirby was most popular in the 1950s decade with 3,009 total births. The single peak year was 1957.
Where is Kirby most popular?
The top states for the name Kirby are Texas (1,383 births), Louisiana (746 births), California (686 births).
Is Kirby a unisex name?
Yes, Kirby is used for both boys and girls. As a boy's name it has 14,532 births, and as a girl's name it has 3,963 births.
How long has the name Kirby been used?
Records for Kirby go back to 1881, giving 145 years of history through 2025.
What names are similar to Kirby?
Names with a similar sound or spelling include Kirk, Kirt, Kiran, Kirkland, and 4 more. These share a common prefix and are also used for boys.

What to do with Kirby's data

  • Kirby's decade-level peak was the 1950s (3,009 total births); usage has since declined to 270 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • Texas records the most Kirbys (1,383 births) -- see the full state breakdown if geography matters to your decision. Texas names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Keep exploring Kirby

Nearby Names Like Kirby

Names with a similar sound, spelling, or feel to Kirby

Names with a similar popularity rank to Kirby

Nationwide names with similar peak year or record span

Two nationwide peer axes for Kirby: 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, 1881–2025 (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 Kirby 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.