Girls' name · since 1919
Lilley
Since 1919, U.S. Social Security records show 436 babies named Lilley, peaking in 2008. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 436
- total births
- 1919–2025
- years on record
- 2010s
- peak decade
- 45%
- born in that decade
Lilley is not among the current top-ranked girls names; 436 have been recorded since 1919.
Social Security Administration records show Lilley recorded 436 times among girls since 1919, though it doesn't currently rank among the most-used girls names, peaking in the 2010s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1919 to 2025.
- 436 total births
- 1919–2025 years on record
- 2010s peak decade
- 45% born in that decade
Data updated Jul 2026
The verdict
436 girls have been named Lilley since 1919, peaking in the 2010s, last recorded in 2025.
- 436
- total births
- 1919–2025
- years on record
- 2010s
- peak decade
- 45%
- born in that decade
45% of everyone ever named Lilley was born in this single decade.
33 babies were named Lilley in 2008 - its busiest year on record.
Lilley's usage pattern, beyond the headline number
Divide Lilley's SSA record in two at 2011 and the more recent half accounts for 50% of all births, the earlier half the remaining 50%, a genuinely balanced usage pattern. Its calmest year was 1919, with only 5 births recorded -- set against the 2008 peak of 33, that's the full swing in one name's fortunes.
Lilley at a glance
Last recorded 2025Peak year
Current rank
Active since
Lilley popularity over time
Annual U.S. births registered with the Social Security Administration · 1919–2025
- Peak year (2008)
- 33
- Annual births at peak, across 107 years of records
No longer in the modern top-1000, last recorded 2025.
436 total births across 107 years of SSA records. Peaked in 2008 with 33 births in a single year.
Lilley by decade
Total births in each ten-year window, peak vs trough at a glance
2010s was Lilley's strongest decade.
195 babies received the name during that ten-year window, about 45% of all-time use.
Lilley births by decade
Total births in each ten-year window
- 1910s 5
1910s
5 births
- 1990s 9
1990s
9 births
- 2000s
2000s
179 births
- 2010s
2010s
195 births
- 2020s 48
2020s
48 births
What this shows Peak: 2010s at 195 births (45% of all-time use).
Lilley decade highlights
- Peak decade 195 births
- Runner-up 179 births
- Modern era share 2010s + 2020s
- Decades tracked with recorded births
Lilley by state
Where Lilley concentrates geographically, total births since 1919
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Michigan | | 8 | 1.8% |
8 of 436 births nationwide.
Top 5 states
- Michigan 1.8% of nationwide
Recorded in 1 of 51 SSA jurisdictions
Michigan accounts for 1.8% of all recorded births nationwide - a relatively diffuse profile for this name.
Frequently Asked Questions
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What to do with Lilley's data
- Lilley's decade-level peak was the 2010s (195 total births); usage has since declined to 48 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Michigan records the most Lilleys (8 births) -- see the full state breakdown if geography matters to your decision. Michigan 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 Lilley
Nearby Names Like Lilley
Names with a similar sound, spelling, or feel to Lilley
Compare Lilley side by side: Lilley vs Lillian Lilley vs Lily Lilley 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, 1919–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Lilley: Baby Name Since 1919 - 436 Births, Peak 2008." NameAlmanac. Accessed via https://namealmanac.com/name/lilley. 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 Lilley 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.
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NameAlmanac Editorial
Independent public-data reference that compiles, verifies, and contextualizes official datasets. We do not accept compensation from entities we cover, and every dataset cites its originating public source.