Total births
390
Girls' name · since 1989
Katilynn
390 babies named Katilynn in U.S. Social Security records since 1989, with the highest year being 1999. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- 390
- total births
- 1989–2017
- years on record
- 1990s
- peak decade
- 45%
- born in that decade
390 girls have been named Katilynn since 1989, though it isn't currently a top-ranked name.
Social Security Administration records show Katilynn recorded 390 times among girls since 1989, though it doesn't currently rank among the most-used girls names, peaking in the 1990s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1989 to 2017.
- 390 total births
- 1989–2017 years on record
- 1990s peak decade
- 45% born in that decade
Data updated Jul 2026
The verdict
390 girls have been named Katilynn since 1989, peaking in the 1990s, last recorded in 2017.
- 390
- total births
- 1989–2017
- years on record
- 1990s
- peak decade
- 45%
- born in that decade
1990s
Peak decade
45% of everyone ever named Katilynn was born in this single decade.
1999
Single peak year
28 babies were named Katilynn in 1999 - its busiest year on record.
Katilynn's usage pattern, beyond the headline number
Divide Katilynn's SSA record in two at 2003 and the more recent half accounts for 38% of all births, the earlier half the remaining 62%, consistent with a name more common in the past than in recent years. Its calmest year was 1989, with only 5 births recorded -- set against the 1999 peak of 28, that's the full swing in one name's fortunes.
Katilynn at a glance
Last recorded 2017Peak year
1999
Current rank
Unranked
Active since
1989
Katilynn popularity over time
Annual U.S. births registered with the Social Security Administration · 1989–2017
- Peak year (1999)
- 28
- Annual births at peak, across 29 years of records
Katilynn by decade
Total births in each ten-year window, peak vs trough at a glance
1990s was Katilynn's strongest decade.
176 babies received the name during that ten-year window, about 45% of all-time use.
Katilynn births by decade
Total births in each ten-year window
- 1980s 5
1980s
5 births
- 1990s
1990s
176 births
- 2000s
2000s
150 births
- 2010s 59
2010s
59 births
What this shows Peak: 1990s at 176 births (45% of all-time use).
Katilynn by state
Where Katilynn concentrates geographically, total births since 1989
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Pennsylvania | | 5 | 1.3% |
Pennsylvania share of Katilynn's total US births 1.3%
5 of 390 births nationwide.
Frequently Asked Questions
How popular is the name Katilynn? ▼
Since 1989, Social Security records show 390 babies named Katilynn. The most recent recorded year was 2017. Its busiest year on record was 1999, with 28 births.
When was Katilynn most popular? ▼
Katilynn was most popular in the 1990s decade with 176 total births. The single peak year was 1999.
Where is Katilynn most popular? ▼
The top states for the name Katilynn are Pennsylvania (5 births).
How long has the name Katilynn been used? ▼
Records for Katilynn go back to 1989, giving 29 years of history through 2017.
What names are similar to Katilynn? ▼
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 Katilynn's data
- Katilynn's usage has stayed within range of its 1990s decade-level peak (176 total births) through the 2010s (59) -- a comparatively stable name, not a fading trend.
- Pennsylvania records the most Katilynns (5 births) -- see the full state breakdown if geography matters to your decision. Pennsylvania 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 Katilynn
Nearby Names Like Katilynn
Names with a similar sound, spelling, or feel to Katilynn
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 Katilynn side by side: Katilynn vs Kathleen Katilynn vs Katherine Katilynn 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, 1989–2017 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Katilynn: Baby Name Since 1989 - 390 Births, Peak 1999." NameAlmanac. Accessed via https://namealmanac.com/name/katilynn. 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 Katilynn 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.