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.
- #53,559 of 72,339
- all-time among girls
- 11
- born since 1946
- 1940s
- peak 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.
- #53,559 of 72,339 all-time among girls
- 11 born since 1946
- 1940s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Lill ranks #53,559 of 72,339 girls' names by all-time recorded births (highest first). 11 born since 1946, peaking in the 1940s.
- #53,559 of 72,339
- all-time among girls
- 11
- born since 1946
- 1940s
- peak decade
Lill's 11 recorded births place it above 24.68% of the 72,339 girls names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
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 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
1940s is the heaviest window (6 births, 55% of the file).
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? ▼
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When was Lill most popular? ▼
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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.
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
Compare Lill side by side: Lill vs Lillian Lill vs Lily Lill vs Lillie
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Lill: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1946)
Similar record span (~14 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 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).
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 August 2026.