Unisex name · since 1954
In
21 babies named In in U.S. Social Security records since 1954, with the highest year being 1956. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #45,357 of 72,339
- all-time among girls
- 21
- born since 1954
- 1950s
- peak decade
In sits outside today's top ranks for girls, with 21 recorded since 1954.
Social Security Administration records show In recorded 21 times among girls since 1954, though it doesn't currently rank among the most-used girls names, 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 1954 to 1982.
- #45,357 of 72,339 all-time among girls
- 21 born since 1954
- 1950s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, In ranks #45,357 of 72,339 girls' names by all-time recorded births (highest first). 21 born since 1954, peaking in the 1950s.
- #45,357 of 72,339
- all-time among girls
- 21
- born since 1954
- 1950s
- peak decade
In's 21 recorded births place it above 36.74% of the 72,339 girls names in the full SSA archive.
The state file records this name in 1 jurisdictions, led by Kansas.
In's usage pattern, beyond the headline number
Divide In's SSA record in two at 1958 and the more recent half accounts for 48% of all births, the earlier half the remaining 52%, a genuinely balanced usage pattern. Its calmest year was 1954, with only 5 births recorded -- set against the 1956 peak of 6, that's the full swing in one name's fortunes.
In popularity over time - girls
Annual U.S. births registered with the Social Security Administration · 1954–1982
- Peak year (1956)
- 6
- Annual births at peak, across 29 years of records
In popularity over time - boys
5 total births recorded since 1992 (In as boys' name)
In by decade
1950s is the heaviest window (16 births, 76% of the file).
1950s was In's strongest decade.
16 babies received the name during that ten-year window, about 76% of all-time use.
In births by decade
Total births in each ten-year window
- 1950s
1950s
16 births
- 1980s 5
1980s
5 births
What this shows Peak: 1950s at 16 births (76% of all-time use).
In by state
Where In concentrates geographically, total births since 1954
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Kansas | | 11 | 52.4% |
11 of 21 births nationwide.
Frequently Asked Questions
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What to do with In's data
- In's decade-level peak was the 1950s (16 total births); usage has since declined to 5 in the 1980s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Kansas records the most Ins (11 births) -- see the full state breakdown if geography matters to your decision. Kansas names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring In
Nearby Names Like In
Names with a similar sound, spelling, or feel to In
Compare In side by side: In vs Inez In vs Ina In vs Ingrid
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for In: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1956)
Similar record span (~28 yrs)
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, 1954–1982 (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 In 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.