Total births
11
Girls' name · since 1946
Lill
Lill has 11 recorded births since 1946 in federal Social Security data, most heavily in 1946 -- full year-by-year trend, decade aggregates, and state rankings follow.
- 11
- total births
- 1946–1960
- years on record
- 1940s
- peak decade
- 55%
- born in that decade
Lill is not among the current top-ranked girls names; 11 have been recorded since 1946.
According to the U.S. Social Security Administration, Lill has been recorded 11 times among girls since 1946, though it is not among the currently most-used girls names, with its heaviest use in the 1940s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1946 to 1960.
- 11 total births
- 1946–1960 years on record
- 1940s peak decade
- 55% born in that decade
Data updated Jul 2026
The verdict
11 girls have been named Lill since 1946, peaking in the 1940s, last recorded in 1960.
- 11
- total births
- 1946–1960
- years on record
- 1940s
- peak decade
- 55%
- born in that decade
1940s
Peak decade
55% of everyone ever named Lill was born in this single decade.
1946
Single peak year
6 babies were named Lill in 1946 - its busiest year on record.
Lill's usage pattern, beyond the headline number
Splitting Lill's full recorded timeline at 1960, 45% of its total births fall in the more recent half of the record versus 55% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1960, with just 5 recorded births -- worth weighing against the 1946 peak of 6 to see the full range of the name's swing in popularity.
Lill at a glance
Last recorded 1960Peak year
1946
Current rank
Unranked
Active since
1946
Lill popularity over time
Annual U.S. births registered with the Social Security Administration · 1946–1960
- Peak year (1946)
- 6
- Annual births at peak, across 15 years of records
Lill by decade
Total births in each ten-year window, peak vs trough at a glance
1940s was Lill's strongest decade.
6 babies received the name during that ten-year window, about 55% of all-time use.
Lill births by decade
Total births in each ten-year window
- 1940s
1940s
6 births
- 1960s
1960s
5 births
What this shows Peak: 1940s at 6 births (55% of all-time use).
Frequently Asked Questions
How popular is the name Lill? ▼
Since 1946, Social Security records show 11 babies named Lill. The most recent recorded year was 1960. Its busiest year on record was 1946, with 6 births.
When was Lill most popular? ▼
Lill was most popular in the 1940s decade with 6 total births. The single peak year was 1946.
How long has the name Lill been used? ▼
Records for Lill go back to 1946, giving 15 years of history through 1960.
What names are similar to Lill? ▼
Names with a similar sound or spelling include Lillian, Lily, Lillie, Lila, and 4 more. These share a common prefix and are also used for girls.
What to do with Lill's data
- Lill's usage has stayed within range of its 1940s decade-level peak (6 total births) through the 1960s (5) -- a comparatively stable name, not a fading trend.
- 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 Lill
Nearby Names Like Lill
Names with a similar sound, spelling, or feel to Lill
Lillian Girl
#54 475,028 births
Lily Girl
#24 189,644 births
Lillie Girl
#682 158,918 births
Lila Girl
#206 76,493 births
Liliana Girl
#80 74,990 births
Compare Lill side by side: Lill vs Lillian Lill vs Lily Lill vs Lillie
Related Names
Names with a similar number of total births
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, 1946–1960 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Lill: Baby Name Since 1946 - 11 Births, Peak 1946." NameAlmanac. Accessed via https://namealmanac.com/name/lill. 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 Lill 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.