Total births
380
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.
- 380
- total births
- 1931–1999
- years on record
- 1950s
- peak decade
- 38%
- born in that 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.
- 380 total births
- 1931–1999 years on record
- 1950s peak decade
- 38% born in that decade
Data updated Jun 2026
The verdict
380 girls have been named Jacolyn since 1931, peaking in the 1950s, last recorded in 1999.
- 380
- total births
- 1931–1999
- years on record
- 1950s
- peak decade
- 38%
- born in that decade
1950s
Peak decade
38% of everyone ever named Jacolyn was born in this single decade.
1953
Single peak year
20 babies were named Jacolyn in 1953 - its busiest year on record.
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 at a glance
Last recorded 1999Peak year
1953
Current rank
Unranked
Active since
1931
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
Total births in each ten-year window, peak vs trough at a glance
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% |
California share of Jacolyn's total US births 1.3%
5 of 380 births nationwide.
Frequently Asked Questions
How popular is the name Jacolyn? ▼
380 babies have been named Jacolyn since 1931. It was last recorded in 1999. The peak year was 1953 with 20 births.
When was Jacolyn most popular? ▼
Jacolyn was most popular in the 1950s decade with 146 total births. The single peak year was 1953.
Where is Jacolyn most popular? ▼
The top states for the name Jacolyn are California (5 births).
How long has the name Jacolyn been used? ▼
The SSA has tracked Jacolyn since 1931 -- 69 years through the most recent 1999 data.
What names are similar to Jacolyn? ▼
Names with a similar sound or spelling include Jacqueline, Jackie, Jacquelyn, Jaclyn, and 4 more. These share a common prefix and are also used for girls.
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
- 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 Jacolyn
Nearby Names Like Jacolyn
Names with a similar sound, spelling, or feel to Jacolyn
Jacqueline Girl
#585 426,088 births
Jackie Girl
#2283 91,253 births
Jacquelyn Girl
#2268 85,197 births
Jaclyn Girl
#2730 49,632 births
Jacklyn Girl
#2862 16,997 births
Compare Jacolyn side by side: Jacolyn vs Jacqueline Jacolyn vs Jackie Jacolyn vs Jacquelyn
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, 1931–1999 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Jacolyn: Baby Name Since 1931 - 380 Births, Peak 1953." NameAlmanac. Accessed via https://namealmanac.com/name/jacolyn. 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 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 June 2026.