Total births
1,104
Boys' name · since 1896
Irby
1,104 babies named Irby in U.S. Social Security records since 1896, with the highest year being 1918. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- 1,104
- total births
- 1896–1991
- years on record
- 1920s
- peak decade
- 23%
- born in that decade
Irby is not among the current top-ranked boys names; 1,104 have been recorded since 1896.
Social Security Administration records show Irby recorded 1,104 times among boys since 1896, though it doesn't currently rank among the most-used boys names, peaking in the 1920s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1896 to 1991.
- 1,104 total births
- 1896–1991 years on record
- 1920s peak decade
- 23% born in that decade
Data updated Jun 2026
The verdict
1,104 boys have been named Irby since 1896, peaking in the 1920s, last recorded in 1991.
- 1,104
- total births
- 1896–1991
- years on record
- 1920s
- peak decade
- 23%
- born in that decade
1920s
Peak decade
23% of everyone ever named Irby was born in this single decade.
1918
Single peak year
37 babies were named Irby in 1918 - its busiest year on record.
Irby's usage pattern, beyond the headline number
Divide Irby's SSA record in two at 1942 and the more recent half accounts for 35% of all births, the earlier half the remaining 65%, consistent with a name more common in the past than in recent years. Its calmest year was 1906, with only 5 births recorded -- set against the 1918 peak of 37, that's the full swing in one name's fortunes.
Irby at a glance
Last recorded 1991Peak year
1918
Current rank
Unranked
Active since
1896
Irby popularity over time - boys
Annual U.S. births registered with the Social Security Administration · 1896–1991
- Peak year (1918)
- 37
- Annual births at peak, across 96 years of records
Irby popularity over time - girls
26 total births recorded since 1898 (Irby as girls' name)
Irby by decade
Total births in each ten-year window, peak vs trough at a glance
1920s was Irby's strongest decade.
256 babies received the name during that ten-year window, about 23% of all-time use.
Irby births by decade
Total births in each ten-year window
- 1890s 6
1890s
6 births
- 1900s 20
1900s
20 births
- 1910s
1910s
193 births
- 1920s
1920s
256 births
- 1930s
1930s
216 births
- 1940s
1940s
152 births
- 1950s
1950s
140 births
- 1960s 73
1960s
73 births
- 1970s 38
1970s
38 births
- 1980s 5
1980s
5 births
- 1990s 5
1990s
5 births
What this shows Peak: 1920s at 256 births (23% of all-time use).
How Irby 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 Irby's total volume
Irby vs 15 similarly-sized boys names
Irby by state
Where Irby concentrates geographically, total births since 1896
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Alabama | | 122 | 11.1% |
| #2 | Louisiana | | 66 | 6.0% |
| #3 | Texas | | 16 | 1.4% |
| #4 | Tennessee | | 11 | 1.0% |
| #5 | South Carolina | | 10 | 0.9% |
Alabama share of Irby's total US births 11.1%
Even split
122 of 1,104 births nationwide. Compared to a flat distribution across 5 reporting states.
Frequently Asked Questions
How popular is the name Irby? ▼
Since 1896, Social Security records show 1,104 babies named Irby. The most recent recorded year was 1991. Its busiest year on record was 1918, with 37 births.
When was Irby most popular? ▼
Irby was most popular in the 1920s decade with 256 total births. The single peak year was 1918.
Where is Irby most popular? ▼
The top states for the name Irby are Alabama (122 births), Louisiana (66 births), Texas (16 births).
How long has the name Irby been used? ▼
Records for Irby go back to 1896, giving 96 years of history through 1991.
What names are similar to Irby? ▼
Names with a similar sound or spelling include Irbin. These share a common prefix and are also used for boys.
What to do with Irby's data
- Irby's decade-level peak was the 1920s (256 total births); usage has since declined to 5 in the 1990s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Alabama records the most Irbys (122 births) -- see the full state breakdown if geography matters to your decision. Alabama 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 Irby
Nearby Names Like Irby
Names with a similar sound, spelling, or feel to Irby
Compare Irby side by side: Irby vs Irbin
Related Names
Names with a similar number of total births
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, 1896–1991 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Irby: Baby Name Since 1896 - 1,104 Births, Peak 1918." NameAlmanac. Accessed via https://namealmanac.com/name/irby. 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 Irby 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.