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.
- #12,834 of 72,339
- all-time among girls
- #13,336 of 17,297
- 2025 SSA year
- 436
- born since 1919
- 2010s
- peak decade
Yes -- Lilley is the #13336 most popular girls' name in the U.S. today, with 436 recorded since 1919.
Social Security Administration records show Lilley recorded 436 times among girls since 1919, holding rank #13336 nationally today, ahead of 23% of girls, 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.
- #12,834 of 72,339 all-time among girls
- #13,336 of 17,297 2025 SSA year
- 436 born since 1919
- 2010s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Lilley ranks #12,834 of 72,339 girls' names by all-time recorded births (highest first) and #13,336 of 17,297 among girls' names in 2025. 436 born since 1919, peaking in the 2010s.
- #12,834 of 72,339
- all-time among girls
- #13,336 of 17,297
- 2025 SSA year
- 436
- born since 1919
- 2010s
- peak decade
Lilley's 436 recorded births place it above 82.25% of the 72,339 girls names in the full SSA archive.
The state file records this name in 1 jurisdictions, led by Michigan.
How Lilley compares
436 Top 48% higher than 52% of 17,297 names currently given to girls
Based on all-time total births among currently-ranked girls names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Lilley's all-time total is 16% above the median girls name, and Olivia still leads by a wide margin.
| Metric | Lilley | Median girls name (Kyann) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 436 | 376 | 567,345 |
| Peak-year births | 33 | 21 | 19,840 |
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 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
Lilley by decade
2010s is the heaviest window (195 births, 45% of the file).
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 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.
Frequently Asked Questions
How popular is the name Lilley? ▼
Where does Lilley sit in the SSA name archive? ▼
When was Lilley most popular? ▼
Where is Lilley most popular? ▼
How long has the name Lilley been used? ▼
What names are similar to Lilley? ▼
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
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 popularity rank to Lilley
Nationwide names with similar peak year or record span
Two nationwide peer axes for Lilley: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2008)
Similar record span (~106 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, 1919–2025 (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 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 August 2026.