Recorded 1980–2019 Girls' name Peak 1998 1,737 births

Katilyn — girls' name

1,737 babies named Katilyn in U.S. Social Security records since 1980, with the highest year being 1998. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1980s1481990s7992000s6262010s164
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.

What the Data Says About Katilyn

The Social Security Administration has registered 1,737 babies named Katilyn between 1980 and 2019, spanning 40 consecutive years of U.S. birth records. As a girl's name, Katilyn currently falls outside the top 1,000 girls' names for 2019. The name reached its historical peak in 1998, when 101 babies received it in a single year.

Decade-level aggregation shows that Katilyn performed strongest in the 1990s, accumulating 799 births during that ten-year window. Across the 4 decades of recorded activity, Katilyn shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Ohio, which accounts for 55 births — the largest state-level total in the dataset — followed by Tennessee and Texas. In total, SSA state-level files list Katilyn in 21 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Katilyn in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 1,737 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Katilyn at a glance

Last recorded 2019

Total births

1,737

Since 1980

40 years of records

Peak year

1998

101 births that year

Strongest decade: 1990s

Current rank

Unranked

Outside the modern top-1,000

As of 2019

Active since

1980

Recorded for 40 years

Last year on file: 2019

Katilyn popularity over time

Annual U.S. births registered with the Social Security Administration · 2019–1980

Last recorded 2019
Peak year (1998)
101
Annual births at peak — across 40 years of records
050100150 201920132008200319981993198819821980 6

Katilyn by decade

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

Peak: 1990s
Peak decade
1990s
799 births that decade — 46% of Katilyn's all-time total
1980s1481990s7992000s6262010s164

Katilyn by state

Where Katilyn concentrates geographically — total births since 1980

Geographically diffuse
Top 8 states by recorded births for the name Katilyn
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 1,737 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?
1,737 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.

Keep exploring Katilyn

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Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1980–2019 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.