Girls' name · since 1948

Jilleen

Since 1948, U.S. Social Security records show 138 babies named Jilleen, peaking in 1972. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

138
total births
1948–1998
years on record
1970s
peak decade
30%
born in that decade

138 girls have been named Jilleen since 1948, though it isn't currently a top-ranked name.

Social Security Administration records show Jilleen recorded 138 times among girls since 1948, though it doesn't currently rank among the most-used girls names, peaking in the 1970s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1948 to 1998.

  • 138 total births
  • 1948–1998 years on record
  • 1970s peak decade
  • 30% born in that decade

Data updated Jul 2026

The verdict

138 girls have been named Jilleen since 1948, peaking in the 1970s, last recorded in 1998.

138
total births
1948–1998
years on record
1970s
peak decade
30%
born in that decade
1970s
Peak decade

30% of everyone ever named Jilleen was born in this single decade.

1972
Single peak year

9 babies were named Jilleen in 1972 - its busiest year on record.

Jilleen's usage pattern, beyond the headline number

Divide Jilleen's SSA record in two at 1971 and the more recent half accounts for 49% of all births, the earlier half the remaining 51%, a genuinely balanced usage pattern. Its calmest year was 1948, with only 5 births recorded -- set against the 1972 peak of 9, that's the full swing in one name's fortunes.

Jilleen at a glance

Last recorded 1998

Total births

138

Since 1948

51 years of records

Peak year

1972

9 births that year

Strongest decade: 1970s

Current rank

Unranked

Outside the modern top-1,000

As of 1998

Active since

1948

Recorded for 51 years

Last year on file: 1998

Jilleen popularity over time

Annual U.S. births registered with the Social Security Administration · 1948–1998

Last recorded 1998
Peak year (1972)
9
Annual births at peak, across 51 years of records
45678910 19481959196519691972197819841998 5

Jilleen by decade

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

1970s was Jilleen's strongest decade.

42 babies received the name during that ten-year window, about 30% of all-time use.

Jilleen births by decade

Total births in each ten-year window

births

What this shows Peak: 1970s at 42 births (30% of all-time use).

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

Frequently Asked Questions

How popular is the name Jilleen?
Since 1948, Social Security records show 138 babies named Jilleen. The most recent recorded year was 1998. Its busiest year on record was 1972, with 9 births.
When was Jilleen most popular?
Jilleen was most popular in the 1970s decade with 42 total births. The single peak year was 1972.
How long has the name Jilleen been used?
The SSA has tracked Jilleen since 1948 -- 51 years through the most recent 1998 data.
What names are similar to Jilleen?
Names with a similar sound or spelling include Jill, Jillian, Jilian, Jillene, and 4 more. These share a common prefix and are also used for girls.

What to do with Jilleen's data

  • Jilleen's decade-level peak was the 1970s (42 total births); usage has since declined to 11 in the 1990s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • 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.

Data Sources

Data as of July 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, 1948–1998 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Jilleen: Baby Name Since 1948 - 138 Births, Peak 1972." NameAlmanac. Accessed via https://namealmanac.com/name/jilleen. 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 Jilleen 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 July 2026.