Total births
635
Girls' name · since 1923
Lyllian
Since 1923, U.S. Social Security records show 635 babies named Lyllian, peaking in 2009. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 635
- total births
- 1923–2025
- years on record
- 2010s
- peak decade
- 48%
- born in that decade
635 girls have been named Lyllian since 1923, though it isn't currently a top-ranked name.
According to the U.S. Social Security Administration, Lyllian has been recorded 635 times among girls since 1923, though it is not among the currently most-used girls names, with its heaviest use in the 2010s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1923 to 2025.
- 635 total births
- 1923–2025 years on record
- 2010s peak decade
- 48% born in that decade
Data updated Jun 2026
The verdict
635 girls have been named Lyllian since 1923, peaking in the 2010s, last recorded in 2025.
- 635
- total births
- 1923–2025
- years on record
- 2010s
- peak decade
- 48%
- born in that decade
2010s
Peak decade
48% of everyone ever named Lyllian was born in this single decade.
2009
Single peak year
45 babies were named Lyllian in 2009 - its busiest year on record.
Lyllian's usage pattern, beyond the headline number
Divide Lyllian's SSA record in two at 2010 and the more recent half accounts for 56% of all births, the earlier half the remaining 44%, a genuinely balanced usage pattern. Its calmest year was 1923, with only 5 births recorded -- set against the 2009 peak of 45, that's the full swing in one name's fortunes.
Lyllian at a glance
Last recorded 2025Peak year
2009
Current rank
Unranked
Active since
1923
Lyllian popularity over time
Annual U.S. births registered with the Social Security Administration · 1923–2025
- Peak year (2009)
- 45
- Annual births at peak, across 103 years of records
Lyllian by decade
Total births in each ten-year window, peak vs trough at a glance
2010s was Lyllian's strongest decade.
304 babies received the name during that ten-year window, about 48% of all-time use.
Lyllian births by decade
Total births in each ten-year window
- 1920s 12
1920s
12 births
- 1990s 16
1990s
16 births
- 2000s
2000s
252 births
- 2010s
2010s
304 births
- 2020s 51
2020s
51 births
What this shows Peak: 2010s at 304 births (48% of all-time use).
How Lyllian 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 Lyllian's total volume
Lyllian vs 15 similarly-sized girls names
Lyllian by state
Where Lyllian concentrates geographically, total births since 1923
Frequently Asked Questions
How popular is the name Lyllian? ▼
635 babies have been named Lyllian since 1923. It was last recorded in 2025. The peak year was 2009 with 45 births.
When was Lyllian most popular? ▼
Lyllian was most popular in the 2010s decade with 304 total births. The single peak year was 2009.
Where is Lyllian most popular? ▼
The top states for the name Lyllian are Indiana (11 births), Ohio (5 births).
How long has the name Lyllian been used? ▼
Records for Lyllian go back to 1923, giving 103 years of history through 2025.
What names are similar to Lyllian? ▼
Names with a similar sound or spelling include Lyla, Lylah, Lyle, Lyliana, and 4 more. These share a common prefix and are also used for girls.
What to do with Lyllian's data
- Lyllian's decade-level peak was the 2010s (304 total births); usage has since declined to 51 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Indiana records the most Lyllians (11 births) -- see the full state breakdown if geography matters to your decision. Indiana 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 Lyllian
Nearby Names Like Lyllian
Names with a similar sound, spelling, or feel to Lyllian
Lyla Girl
#83 49,294 births
Lylah Girl
#545 8,547 births
Lyle Girl
1,013 births
Lyliana Girl
#6782 442 births
Lylia Girl
#15467 425 births
Compare Lyllian side by side: Lyllian vs Lyla Lyllian vs Lylah Lyllian vs Lyle
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, 1923–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Lyllian: Baby Name Since 1923 - 635 Births, Peak 2009." NameAlmanac. Accessed via https://namealmanac.com/name/lyllian. 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 Lyllian 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.