Total births
1,738
Girls' name · since 1980
Katilyn
Since 1980, U.S. Social Security records show 1,738 babies named Katilyn, peaking in 1998. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 1,738
- total births
- 1980–2019
- years on record
- 1990s
- peak decade
- 46%
- born in that decade
Katilyn sits outside today's top ranks for girls, with 1,738 recorded since 1980.
According to the U.S. Social Security Administration, Katilyn has been recorded 1,738 times among girls since 1980, though it is not among the currently most-used girls names, with its heaviest use in the 1990s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1980 to 2019.
- 1,738 total births
- 1980–2019 years on record
- 1990s peak decade
- 46% born in that decade
Data updated Jul 2026
The verdict
1,738 girls have been named Katilyn since 1980, peaking in the 1990s, last recorded in 2019.
- 1,738
- total births
- 1980–2019
- years on record
- 1990s
- peak decade
- 46%
- born in that decade
1990s
Peak decade
46% of everyone ever named Katilyn was born in this single decade.
1998
Single peak year
101 babies were named Katilyn in 1998 - its busiest year on record.
Katilyn's usage pattern, beyond the headline number
Splitting Katilyn's full recorded timeline at 2000, 46% of its total births fall in the more recent half of the record versus 54% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 2018, with just 5 recorded births -- worth weighing against the 1998 peak of 101 to see the full range of the name's swing in popularity.
Katilyn at a glance
Last recorded 2019Peak year
1998
Current rank
Unranked
Active since
1980
Katilyn popularity over time
Annual U.S. births registered with the Social Security Administration · 1980–2019
- Peak year (1998)
- 101
- Annual births at peak, across 40 years of records
Katilyn by decade
Total births in each ten-year window, peak vs trough at a glance
1990s was Katilyn's strongest decade.
799 babies received the name during that ten-year window, about 46% of all-time use.
Katilyn births by decade
Total births in each ten-year window
- 1980s 148
1980s
148 births
- 1990s
1990s
799 births
- 2000s
2000s
626 births
- 2010s 165
2010s
165 births
What this shows Peak: 1990s at 799 births (46% of all-time use).
How Katilyn 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 Katilyn's total volume
Katilyn vs 15 similarly-sized girls names
Katilyn by state
Where Katilyn concentrates geographically, total births since 1980
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Ohio | | 55 | 3.2% |
| #2 | Tennessee | | 54 | 3.1% |
| #3 | Texas | | 54 | 3.1% |
| #4 | Georgia | | 48 | 2.8% |
| #5 | Kentucky | | 32 | 1.8% |
| #6 | Pennsylvania | | 31 | 1.8% |
| #7 | California | | 20 | 1.2% |
| #8 | Michigan | | 20 | 1.2% |
Ohio share of Katilyn's total US births 3.2%
Even split
55 of 1,738 births nationwide. Compared to a flat distribution across 21 reporting states.
Katilyn appears in 21 states. Explore state details →
Frequently Asked Questions
How popular is the name Katilyn? ▼
1,738 babies have been named Katilyn since 1980. It was last recorded in 2019. The peak year was 1998 with 101 births.
When was Katilyn most popular? ▼
Katilyn was most popular in the 1990s decade with 799 total births. The single peak year was 1998.
Where is Katilyn most popular? ▼
The top states for the name Katilyn are Ohio (55 births), Tennessee (54 births), Texas (54 births).
How long has the name Katilyn been used? ▼
Katilyn has been recorded in Social Security data since 1980, spanning 40 years of data through 2019.
What names are similar to Katilyn? ▼
Names with a similar sound or spelling include Kathleen, Katherine, Kathryn, Kathy, and 4 more. These share a common prefix and are also used for girls.
What to do with Katilyn's data
- Katilyn's decade-level peak was the 1990s (799 total births); usage has since declined to 165 in the 2010s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Ohio records the most Katilyns (55 births) -- see the full state breakdown if geography matters to your decision. Ohio 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 Katilyn
Nearby Names Like Katilyn
Names with a similar sound, spelling, or feel to Katilyn
Kathleen Girl
#1099 713,645 births
Katherine Girl
#175 650,926 births
Kathryn Girl
#714 455,423 births
Kathy Girl
#2699 334,131 births
Katie Girl
#576 241,285 births
Compare Katilyn side by side: Katilyn vs Kathleen Katilyn vs Katherine Katilyn vs Kathryn
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, 1980–2019 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Katilyn: Baby Name Since 1980 - 1,738 Births, Peak 1998." NameAlmanac. Accessed via https://namealmanac.com/name/katilyn. 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 Katilyn 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.