Unisex name · since 1988

Keilyn

Keilyn has 1,212 recorded births since 1988 in federal Social Security data, most heavily in 2009 -- full year-by-year trend, decade aggregates, and state rankings follow.

#3434
among girls today
1,212
born since 1988
2010s
peak decade
81%
more common than other girls

Keilyn currently ranks #3434 among unisex names in America, with 1,212 babies recorded since 1988.

Social Security Administration records show Keilyn recorded 1,212 times among girls since 1988, holding rank #3434 nationally today, ahead of 81% 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 1988 to 2025.

  • #3434 among girls today
  • 1,212 born since 1988
  • 2010s peak decade
  • 81% more common than other girls

Data updated Jun 2026

The verdict

Keilyn is currently the #3434 unisex name in America, more common than 81% of girls - 1,212 born since 1988, peaking in the 2010s.

#3434
among girls today
1,212
born since 1988
2010s
peak decade
81%
more common than other girls

Keilyn vs. every other girls name in current SSA rankings

0%100%Median name50%80.6%
Keilyn vs. every other girls name in current SSA rankings
#3434
of 17,726 girls in use

More common than 81% of names given to girls today.

2010s
Peak decade

40% of everyone ever named Keilyn was born in this single decade.

2009
Single peak year

63 babies were named Keilyn in 2009 - its busiest year on record.

How Keilyn compares

1,212 Top 29% higher than 71% of 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

Keilyn's all-time total is 3x the median girls name, and Olivia still leads by a wide margin.

Metric Keilyn Median girls name (Emerly) #1 girls name (Olivia)
All-time total births 1,212 382 567,345
Peak-year births 63 48 19,840

Keilyn's usage pattern, beyond the headline number

Splitting Keilyn's full recorded timeline at 2008, 72% of its total births fall in the more recent half of the record versus 28% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1991, with just 5 recorded births -- worth weighing against the 2009 peak of 63 to see the full range of the name's swing in popularity.

Keilyn at a glance

Outside the top 1,000

Total births

1,212

Since 1988

38 years of records

Peak year

2009

63 births that year

Strongest decade: 2010s

Current rank

#3,434

Among girls

As of 2025

Active since

1988

Recorded for 38 years

Last year on file: 2025

Keilyn popularity over time - girls

Annual U.S. births registered with the Social Security Administration · 1988–2025

Outside the top 1,000
Peak year (2009)
63
Annual births at peak, across 38 years of records
020406080 19881996200120062011201620212025 30

Keilyn popularity over time - boys

236 total births recorded since 1996 (Keilyn as boys' name)

Unisex variant - 236 births
0510152025 19962001200620102014201820222024 6

Keilyn by decade

Total births in each ten-year window, peak vs trough at a glance

2010s was Keilyn's strongest decade.

483 babies received the name during that ten-year window, about 40% of all-time use.

Keilyn births by decade

Total births in each ten-year window

births

What this shows Peak: 2010s at 483 births (40% of all-time use).

Source U.S. Social Security Administration · Baby Names As of June 2026

How Keilyn 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 Keilyn's total volume

Keilyn vs 15 similarly-sized girls names

Keilyn vs 15 similarly-sized girls names Scatter plot of 16 data points. 0%5%10%15%20% 050100150 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year Keilyn
Keilyn vs 15 similarly-sized girls names

Keilyn by state

Where Keilyn concentrates geographically, total births since 1988

Geographically diffuse
Top 7 states by recorded births for the name Keilyn
Rank State Visual share Births Share of total
#1 Texas
150 12.4%
#2 New York
121 10.0%
#3 California
116 9.6%
#4 Florida
65 5.4%
#5 New Jersey
12 1.0%
#6 Virginia
11 0.9%
#7 Georgia
6 0.5%
Texas share of Keilyn's total US births 12.4%
Even split

150 of 1,212 births nationwide. Compared to a flat distribution across 7 reporting states.

Frequently Asked Questions

How popular is the name Keilyn?
1,212 babies have been named Keilyn since 1988. It currently ranks #3434 among girls. The peak year was 2009 with 63 births.
When was Keilyn most popular?
Keilyn was most popular in the 2010s decade with 483 total births. The single peak year was 2009.
Where is Keilyn most popular?
The top states for the name Keilyn are Texas (150 births), New York (121 births), California (116 births).
Is Keilyn a unisex name?
Yes, Keilyn is used for both boys and girls. As a girl's name it has 1,212 births, and as a boy's name it has 236 births.
How long has the name Keilyn been used?
The SSA has tracked Keilyn since 1988 -- 38 years through the most recent 2025 data.
What names are similar to Keilyn?
Names with a similar sound or spelling include Keira, Keisha, Keila, Keily, and 4 more. These share a common prefix and are also used for girls.

What to do with Keilyn's data

  • Keilyn's usage has stayed within range of its 2010s decade-level peak (483 total births) through the 2020s (278) -- a comparatively stable name, not a fading trend.
  • Texas records the most Keilyns (150 births) -- see the full state breakdown if geography matters to your decision. Texas 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.

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, 1988–2025 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Keilyn: #3434 Unisex Name - 1,212 Births, Peak 2009." NameAlmanac. Accessed via https://namealmanac.com/name/keilyn. 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 Keilyn 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.