Recorded 1990–2019 Girls' name Peak 2008 369 births

Keirstyn — girls' name

369 babies named Keirstyn in U.S. Social Security records since 1990, with the highest year being 2008. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1990s1142000s2012010s54

The verdict

369 girls have been named Keirstyn since 1990, peaking in the 2000s, last recorded in 2019.

369
total births
1990–2019
years on record
2000s
peak decade
54%
born in that decade
2000s
Peak decade

54% of everyone ever named Keirstyn was born in this single decade.

2008
Single peak year

27 babies were named Keirstyn in 2008 — its busiest year on record.

What the Data Says About Keirstyn

The Social Security Administration has registered 369 babies named Keirstyn between 1990 and 2019, spanning 30 consecutive years of U.S. birth records. As a girl's name, Keirstyn currently falls outside the top 1,000 girls' names for 2019. The name reached its historical peak in 2008, when 27 babies received it in a single year.

Decade-level aggregation shows that Keirstyn performed strongest in the 2000s, accumulating 201 births during that ten-year window. Across the 3 decades of recorded activity, Keirstyn shows a clear decline from its mid-century high.

No etymological entry is currently available for Keirstyn 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 369 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.

Keirstyn at a glance

Last recorded 2019

Total births

369

Since 1990

30 years of records

Peak year

2008

27 births that year

Strongest decade: 2000s

Current rank

Unranked

Outside the modern top-1,000

As of 2019

Active since

1990

Recorded for 30 years

Last year on file: 2019

Keirstyn popularity over time

Annual U.S. births registered with the Social Security Administration · 2019–1990

Last recorded 2019
Peak year (2008)
27
Annual births at peak — across 30 years of records
051015202530 20192011200720031999199519911990 5

Keirstyn by decade

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

Peak: 2000s
Peak decade
2000s
201 births that decade — 54% of Keirstyn's all-time total
1990s1142000s2012010s54

Frequently Asked Questions

How popular is the name Keirstyn?
369 babies have been named Keirstyn since 1990. It was last recorded in 2019. The peak year was 2008 with 27 births.
When was Keirstyn most popular?
Keirstyn was most popular in the 2000s decade with 201 total births. The single peak year was 2008.
How long has the name Keirstyn been used?
Keirstyn has been recorded in Social Security data since 1990, spanning 30 years of data through 2019.
What names are similar to Keirstyn?
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.

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, 1990–2019 (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.