Girls' name · since 1931
Jacolyn
Since 1931, U.S. Social Security records show 380 babies named Jacolyn, peaking in 1953. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #13,940 of 72,339
- all-time among girls
- 380
- born since 1931
- 1950s
- peak decade
Jacolyn sits outside today's top ranks for girls, with 380 recorded since 1931.
Jacolyn has 380 recorded births among girls since 1931, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 1950s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1931 to 1999.
- #13,940 of 72,339 all-time among girls
- 380 born since 1931
- 1950s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Jacolyn ranks #13,940 of 72,339 girls' names by all-time recorded births (highest first). 380 born since 1931, peaking in the 1950s.
- #13,940 of 72,339
- all-time among girls
- 380
- born since 1931
- 1950s
- peak decade
Jacolyn's 380 recorded births place it above 80.71% of the 72,339 girls names in the full SSA archive.
The state file records this name in 1 jurisdictions, led by California.
Jacolyn's usage pattern, beyond the headline number
Splitting Jacolyn's full recorded timeline at 1956, 39% of its total births fall in the more recent half of the record versus 61% in the earlier half -- the name was more prevalent in its earlier era than it is today. Its quietest year on record was 1932, with just 5 recorded births -- worth weighing against the 1953 peak of 20 to see the full range of the name's swing in popularity.
Jacolyn popularity over time
Annual U.S. births registered with the Social Security Administration · 1931–1999
- Peak year (1953)
- 20
- Annual births at peak, across 69 years of records
Jacolyn by decade
1950s is the heaviest window (146 births, 38% of the file).
1950s was Jacolyn's strongest decade.
146 babies received the name during that ten-year window, about 38% of all-time use.
Jacolyn births by decade
Total births in each ten-year window
- 1930s 49
1930s
49 births
- 1940s
1940s
76 births
- 1950s
1950s
146 births
- 1960s 42
1960s
42 births
- 1970s 5
1970s
5 births
- 1980s 41
1980s
41 births
- 1990s 21
1990s
21 births
What this shows Peak: 1950s at 146 births (38% of all-time use).
Jacolyn by state
Where Jacolyn concentrates geographically, total births since 1931
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 5 | 1.3% |
5 of 380 births nationwide.
Frequently Asked Questions
How popular is the name Jacolyn? ▼
Where does Jacolyn sit in the SSA name archive? ▼
When was Jacolyn most popular? ▼
Where is Jacolyn most popular? ▼
How long has the name Jacolyn been used? ▼
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What to do with Jacolyn's data
- Jacolyn's decade-level peak was the 1950s (146 total births); usage has since declined to 21 in the 1990s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- California records the most Jacolyns (5 births) -- see the full state breakdown if geography matters to your decision. California names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Jacolyn
Nearby Names Like Jacolyn
Names with a similar sound, spelling, or feel to Jacolyn
Compare Jacolyn side by side: Jacolyn vs Jacqueline Jacolyn vs Jackie Jacolyn vs Jacquelyn
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Jacolyn: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1953)
Similar record span (~68 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, 1931–1999 (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 Jacolyn 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.