Recorded 1966–2021 Girls' name Peak 1983 340 births

Jennilyn — girls' name

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.

1960s101970s921980s1261990s692000s262010s102020s7
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.

What the Data Says About Jennilyn

The Social Security Administration has registered 340 babies named Jennilyn between 1966 and 2021, spanning 56 consecutive years of U.S. birth records. As a girl's name, Jennilyn currently falls outside the top 1,000 girls' names for 2021. The name reached its historical peak in 1983, when 21 babies received it in a single year.

Decade-level aggregation shows that Jennilyn performed strongest in the 1980s, accumulating 126 births during that ten-year window. Across the 7 decades of recorded activity, Jennilyn shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Utah, which accounts for 32 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Jennilyn in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Jennilyn in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 340 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Jennilyn at a glance

Last recorded 2021

Total births

340

Since 1966

56 years of records

Peak year

1983

21 births that year

Strongest decade: 1980s

Current rank

Unranked

Outside the modern top-1,000

As of 2021

Active since

1966

Recorded for 56 years

Last year on file: 2021

Jennilyn popularity over time

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

Last recorded 2021
Peak year (1983)
21
Annual births at peak — across 56 years of records
0510152025 202120041995199019851980197519701966 5

Jennilyn by decade

Total births in each ten-year window — peak vs trough at a glance

Peak: 1980s
Peak decade
1980s
126 births that decade — 37% of Jennilyn's all-time total
1960s101970s921980s1261990s692000s262010s102020s7

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?
340 babies have been named Jennilyn since 1966. It was last recorded in 2021. The peak year was 1983 with 21 births.
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.

Keep exploring Jennilyn

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Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1966–2021 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.