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.
- #5,177 of 72,339
- all-time among girls
- 1,738
- born since 1980
- 1990s
- peak 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.
- #5,177 of 72,339 all-time among girls
- 1,738 born since 1980
- 1990s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Katilyn ranks #5,177 of 72,339 girls' names by all-time recorded births (highest first). 1,738 born since 1980, peaking in the 1990s.
- #5,177 of 72,339
- all-time among girls
- 1,738
- born since 1980
- 1990s
- peak decade
Katilyn's 1,738 recorded births place it above 92.84% of the 72,339 girls names in the full SSA archive.
21 jurisdictions carry state-level records, led by Ohio.
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 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
1990s is the heaviest window (799 births, 46% of the file).
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 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% |
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? ▼
Where does Katilyn sit in the SSA name archive? ▼
When was Katilyn most popular? ▼
Where is Katilyn most popular? ▼
How long has the name Katilyn been used? ▼
What names are similar to Katilyn? ▼
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
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
Compare Katilyn side by side: Katilyn vs Kathleen Katilyn vs Katherine Katilyn vs Kathryn
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Katilyn: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1998)
Similar record span (~39 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, 1980–2019 (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 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 August 2026.