Girl · #15,431 in 2026

Jillyn

Name: Popularity of the name Jillyn in U.S. births, 1880–2026
Creator: U.S. Social Security Administration
License: https://www.ssa.gov/foia/
Keywords: Jillyn, baby name, popularity, U.S., SSA, rankings

Current Rank

#15,431

Peak Rank

#5,601 (1976)

Total Babies

171

5-Yr Trend

Stable

1950

First Year

2002

Last Year

1976

Peak Year

#5601

Peak Rank

171

Total Count

Years Active

The Story of Jillyn

Jillyn first appeared in U.S. Social Security Administration records as a baby girl name in 1950, with 5 babies given the name that year. Its peak popularity came in 1976, when 10 Jillyns were born — ranking #5,601 that year. As of 2026, Jillyn ranks #15,431 for baby girls with 5 births, with steady use. In total, more than 171 Jillyns have been born in the U.S. since records began in 1880, spanning the 1950s through the 2020s.

Popularity Over Time

Popularity by State

Top 10

11-50

51-100

101-500

500+

No data

Names that sound like Jillyn

Phonetically similar names — useful when Jillyn is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.

Jilin
Jolin
Jolynn
Julin
Jelen
Chillin
Chilin
Shilin
Jalen
Jaylen
Jelling
Jalon

Source: Datamuse . Phonetic similarity ranking, not curated.

Frequently Asked Questions about Jillyn

What does the name Jillyn mean?

Jillyn is a girl's name that has been used in U.S. records since 1950. Behind the Name doesn't list a specific etymology, but the name has remained in use across multiple decades.

How popular is Jillyn in 2026?

In 2026, Jillyn ranks #15,431 among girls' names in the U.S., with 5 babies given the name that year.

When was Jillyn most popular?

Jillyn reached its peak popularity in 1976, ranking #5,601 that year with 10 babies given the name.

In which U.S. states is Jillyn most popular?

Jillyn has historically been most popular in Utah. Rankings vary year to year, but these states show the strongest concentration of births named Jillyn.

Is Jillyn a unisex name?

In U.S. Social Security records, Jillyn is primarily a girl's name. We don't have meaningful data for it as a boy's name.

What names go well with Jillyn?

Names that share a similar style or popularity range with Jillyn include Rozina, Satira, Rhanda. These pairings are based on rank proximity and naming era in U.S. data.

About the name Jillyn

Jillyn is a girl baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1950 and has accumulated 171 births in the dataset. Jillyn's peak popularity came in 1976 when it ranked #5,601. Use the chart and map above to compare Jillyn's trajectory across years and U.S. states, or browse the related names section to discover similar choices.

Continue exploring

Data sources

Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
Predicted nationality distribution — Nationalize.io .
Phonetically similar names — Datamuse .

Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.