Total births
340
Girls' name · since 1966
Jennilyn
340 babies named Jennilyn in U.S. Social Security records since 1966, with the highest year being 1983. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- 340
- total births
- 1966–2021
- years on record
- 1980s
- peak decade
- 37%
- born in that decade
340 girls have been named Jennilyn since 1966, though it isn't currently a top-ranked name.
Jennilyn has 340 recorded births among girls since 1966, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 1980s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1966 to 2021.
- 340 total births
- 1966–2021 years on record
- 1980s peak decade
- 37% born in that decade
Data updated Jun 2026
The verdict
340 girls have been named Jennilyn since 1966, peaking in the 1980s, last recorded in 2021.
- 340
- total births
- 1966–2021
- years on record
- 1980s
- peak decade
- 37%
- born in that decade
1980s
Peak decade
37% of everyone ever named Jennilyn was born in this single decade.
1983
Single peak year
21 babies were named Jennilyn in 1983 - its busiest year on record.
Jennilyn's usage pattern, beyond the headline number
Divide Jennilyn's SSA record in two at 1987 and the more recent half accounts for 41% of all births, the earlier half the remaining 59%, a genuinely balanced usage pattern. Its calmest year was 1966, with only 5 births recorded -- set against the 1983 peak of 21, that's the full swing in one name's fortunes.
Jennilyn at a glance
Last recorded 2021Peak year
1983
Current rank
Unranked
Active since
1966
Jennilyn popularity over time
Annual U.S. births registered with the Social Security Administration · 1966–2021
- Peak year (1983)
- 21
- Annual births at peak, across 56 years of records
Jennilyn by decade
Total births in each ten-year window, peak vs trough at a glance
1980s was Jennilyn's strongest decade.
126 babies received the name during that ten-year window, about 37% of all-time use.
Jennilyn births by decade
Total births in each ten-year window
- 1960s 10
1960s
10 births
- 1970s
1970s
92 births
- 1980s
1980s
126 births
- 1990s
1990s
69 births
- 2000s 26
2000s
26 births
- 2010s 10
2010s
10 births
- 2020s 7
2020s
7 births
What this shows Peak: 1980s at 126 births (37% of all-time use).
Jennilyn by state
Where Jennilyn concentrates geographically, total births since 1966
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Utah | | 32 | 9.4% |
Utah share of Jennilyn's total US births 9.4%
32 of 340 births nationwide.
Frequently Asked Questions
How popular is the name Jennilyn? ▼
Jennilyn has been given to 340 babies in the U.S. since 1966, according to SSA data. Its last appearance in the data was 2021. 21 babies were born in 1983, its single highest year.
When was Jennilyn most popular? ▼
Jennilyn was most popular in the 1980s decade with 126 total births. The single peak year was 1983.
Where is Jennilyn most popular? ▼
The top states for the name Jennilyn are Utah (32 births).
How long has the name Jennilyn been used? ▼
Jennilyn has been recorded in Social Security data since 1966, spanning 56 years of data through 2021.
What names are similar to Jennilyn? ▼
Names with a similar sound or spelling include Jennifer, Jenna, Jennie, Jenny, and 4 more. These share a common prefix and are also used for girls.
What to do with Jennilyn's data
- Jennilyn's decade-level peak was the 1980s (126 total births); usage has since declined to 7 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Utah records the most Jennilyns (32 births) -- see the full state breakdown if geography matters to your decision. Utah 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 Jennilyn
Nearby Names Like Jennilyn
Names with a similar sound, spelling, or feel to Jennilyn
Jennifer Girl
#546 1,471,703 births
Jenna Girl
#683 148,587 births
Jennie Girl
#1753 127,181 births
Jenny Girl
#1391 92,101 births
Jenifer Girl
#5637 25,551 births
Compare Jennilyn side by side: Jennilyn vs Jennifer Jennilyn vs Jenna Jennilyn vs Jennie
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, 1966–2021 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Jennilyn: Baby Name Since 1966 - 340 Births, Peak 1983." NameAlmanac. Accessed via https://namealmanac.com/name/jennilyn. 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 Jennilyn 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.