Total births
285
Girls' name · since 2001
Eilyn
285 babies named Eilyn in U.S. Social Security records since 2001, with the highest year being 2025. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #4865
- among girls today
- 285
- born since 2001
- 2020s
- peak decade
- 73%
- more common than other girls
285 babies have been named Eilyn since 2001, making it today's #4865 girls' name.
According to the U.S. Social Security Administration, Eilyn has been recorded 285 times among girls since 2001, currently ranked #4865 nationally and more common than 73% of girls, with its heaviest use in the 2020s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 2001 to 2025.
- #4865 among girls today
- 285 born since 2001
- 2020s peak decade
- 73% more common than other girls
Data updated Jun 2026
The verdict
Eilyn is currently the #4865 girls' name in America, more common than 73% of girls - 285 born since 2001, peaking in the 2020s.
- #4865
- among girls today
- 285
- born since 2001
- 2020s
- peak decade
- 73%
- more common than other girls
Eilyn vs. every other girls name in current SSA rankings
#4865
of 17,726 girls in use
More common than 73% of names given to girls today.
2020s
Peak decade
41% of everyone ever named Eilyn was born in this single decade.
2025
Single peak year
30 babies were named Eilyn in 2025 - its busiest year on record.
How Eilyn compares
285 44th percentile among 17,726 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
Eilyn's all-time total is 25% below the median girls name, and Olivia still leads by a wide margin.
| Metric | Eilyn | Median girls name (Emerly) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 285 | 382 | 567,345 |
| Peak-year births | 30 | 48 | 19,840 |
Eilyn's usage pattern, beyond the headline number
Eilyn splits its recorded history at 2015: 65% of all births land in the more recent half, 35% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 2001 (5 births) -- compare that against the 2025 peak of 30 for a sense of just how much the name's popularity has swung.
Eilyn at a glance
Outside the top 1,000Peak year
2025
Current rank
#4,865
Active since
2001
Eilyn popularity over time
Annual U.S. births registered with the Social Security Administration · 2001–2025
- Peak year (2025)
- 30
- Annual births at peak, across 25 years of records
Eilyn by decade
Total births in each ten-year window, peak vs trough at a glance
2020s was Eilyn's strongest decade.
118 babies received the name during that ten-year window, about 41% of all-time use.
Eilyn births by decade
Total births in each ten-year window
- 2000s
2000s
50 births
- 2010s
2010s
117 births
- 2020s
2020s
118 births
What this shows Peak: 2020s at 118 births (41% of all-time use).
Eilyn by state
Where Eilyn concentrates geographically, total births since 2001
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 5 | 1.8% |
California share of Eilyn's total US births 1.8%
5 of 285 births nationwide.
Frequently Asked Questions
How popular is the name Eilyn? ▼
285 babies have been named Eilyn since 2001. It currently ranks #4865 among girls. The peak year was 2025 with 30 births.
When was Eilyn most popular? ▼
Eilyn was most popular in the 2020s decade with 118 total births. The single peak year was 2025.
Where is Eilyn most popular? ▼
The top states for the name Eilyn are California (5 births).
How long has the name Eilyn been used? ▼
Records for Eilyn go back to 2001, giving 25 years of history through 2025.
What names are similar to Eilyn? ▼
Names with a similar sound or spelling include Eileen, Eilene, Eila, Eiley, and 4 more. These share a common prefix and are also used for girls.
What to do with Eilyn's data
- California records the most Eilyns (5 births) -- see the full state breakdown if geography matters to your decision. California 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 Eilyn
Nearby Names Like Eilyn
Names with a similar sound, spelling, or feel to Eilyn
Eileen Girl
#592 189,614 births
Eilene Girl
#12221 2,087 births
Eila Girl
#1944 1,906 births
Eiley Girl
#3682 550 births
Eileene Girl
548 births
Compare Eilyn side by side: Eilyn vs Eileen Eilyn vs Eilene Eilyn vs Eila
Related Names
Names with a similar popularity rank to Eilyn
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, 2001–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Eilyn: #4865 Girls' Name - 285 Births, Peak 2025." NameAlmanac. Accessed via https://namealmanac.com/name/eilyn. 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 Eilyn 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.