Total births
559
Girls' name · since 1945
Jil
559 babies named Jil in U.S. Social Security records since 1945, with the highest year being 1957. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- 559
- total births
- 1945–2002
- years on record
- 1960s
- peak decade
- 37%
- born in that decade
559 girls have been named Jil since 1945, though it isn't currently a top-ranked name.
Jil has 559 recorded births among girls since 1945, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 1960s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1945 to 2002.
- 559 total births
- 1945–2002 years on record
- 1960s peak decade
- 37% born in that decade
Data updated Jun 2026
The verdict
559 girls have been named Jil since 1945, peaking in the 1960s, last recorded in 2002.
- 559
- total births
- 1945–2002
- years on record
- 1960s
- peak decade
- 37%
- born in that decade
1960s
Peak decade
37% of everyone ever named Jil was born in this single decade.
1957
Single peak year
36 babies were named Jil in 1957 - its busiest year on record.
Jil's usage pattern, beyond the headline number
Splitting Jil's full recorded timeline at 1964, 38% of its total births fall in the more recent half of the record versus 62% in the earlier half -- the name was more prevalent in its earlier era than it is today. Its quietest year on record was 1982, with just 5 recorded births -- worth weighing against the 1957 peak of 36 to see the full range of the name's swing in popularity.
Jil at a glance
Last recorded 2002Peak year
1957
Current rank
Unranked
Active since
1945
Jil popularity over time
Annual U.S. births registered with the Social Security Administration · 1945–2002
- Peak year (1957)
- 36
- Annual births at peak, across 58 years of records
Jil by decade
Total births in each ten-year window, peak vs trough at a glance
1960s was Jil's strongest decade.
208 babies received the name during that ten-year window, about 37% of all-time use.
Jil births by decade
Total births in each ten-year window
- 1940s 42
1940s
42 births
- 1950s
1950s
202 births
- 1960s
1960s
208 births
- 1970s 79
1970s
79 births
- 1980s 12
1980s
12 births
- 1990s 5
1990s
5 births
- 2000s 11
2000s
11 births
What this shows Peak: 1960s at 208 births (37% of all-time use).
How Jil compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Jil's total volume
Jil vs 15 similarly-sized girls names
Jil by state
Where Jil concentrates geographically, total births since 1945
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 27 | 4.8% |
| #2 | New York | | 5 | 0.9% |
California share of Jil's total US births 4.8%
Even split
27 of 559 births nationwide. Compared to a flat distribution across 2 reporting states.
Frequently Asked Questions
How popular is the name Jil? ▼
Since 1945, Social Security records show 559 babies named Jil. The most recent recorded year was 2002. Its busiest year on record was 1957, with 36 births.
When was Jil most popular? ▼
Jil was most popular in the 1960s decade with 208 total births. The single peak year was 1957.
Where is Jil most popular? ▼
The top states for the name Jil are California (27 births), New York (5 births).
How long has the name Jil been used? ▼
Records for Jil go back to 1945, giving 58 years of history through 2002.
What names are similar to Jil? ▼
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 Jil's data
- Jil's decade-level peak was the 1960s (208 total births); usage has since declined to 11 in the 2000s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- California records the most Jils (27 births) -- see the full state breakdown if geography matters to your decision. California 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 Jil
Nearby Names Like Jil
Names with a similar sound, spelling, or feel to Jil
Jill Girl
#6184 208,071 births
Jillian Girl
#1130 83,197 births
Jilian Girl
803 births
Jillene Girl
632 births
Jillianne Girl
472 births
Compare Jil side by side: Jil vs Jill Jil vs Jillian Jil vs Jilian
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, 1945–2002 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Jil: Baby Name Since 1945 - 559 Births, Peak 1957." NameAlmanac. Accessed via https://namealmanac.com/name/jil. 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 Jil 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.