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.

#14,881 of 72,339
all-time among girls
340
born since 1966
1980s
peak 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.

  • #14,881 of 72,339 all-time among girls
  • 340 born since 1966
  • 1980s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Jennilyn ranks #14,881 of 72,339 girls' names by all-time recorded births (highest first). 340 born since 1966, peaking in the 1980s.

#14,881 of 72,339
all-time among girls
340
born since 1966
1980s
peak decade
Above the archive median
All-time archive position

Jennilyn's 340 recorded births place it above 79.4% of the 72,339 girls names in the full SSA archive.

1 jurisdictions
State-record footprint

The state file records this name in 1 jurisdictions, led by Utah.

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 popularity over time

Annual U.S. births registered with the Social Security Administration · 1966–2021

Last recorded 2021
Peak year (1983)
21
Annual births at peak, across 56 years of records
0510152025 196619731978198319881993199920102021 7

Jennilyn by decade

1980s is the heaviest window (126 births, 37% of the file).

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

births

What this shows Peak: 1980s at 126 births (37% of all-time use).

Source U.S. Social Security Administration · Baby Names As of August 2026

Jennilyn by state

Where Jennilyn concentrates geographically, total births since 1966

Geographically diffuse
Top 1 states by recorded births for the name Jennilyn
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 archive ordinal is #14,881 of 72,339 among girls' names (total births, highest first). Its last appearance in the data was 2021. 21 babies were born in 1983, its single highest year.
Where does Jennilyn sit in the SSA name archive?
According to the U.S. Social Security Administration, Jennilyn ranks #14,881 of 72,339 girls' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
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

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

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Jennilyn: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

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, 1966–2021 (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 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 August 2026.