Girls' name · since 1990

Keirstyn

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.

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

369 girls have been named Keirstyn since 1990, though it isn't currently a top-ranked name.

According to the U.S. Social Security Administration, Keirstyn has been recorded 369 times among girls since 1990, though it is not among the currently most-used girls names, with its heaviest use in the 2000s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1990 to 2019.

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

Data updated Jul 2026

Above the archive median
All-time archive position

Keirstyn's 369 recorded births place it above 80% of the 72,339 girls names in the full SSA archive.

National only
State-record footprint

No state rows cleared SSA’s public reporting threshold for this name.

Keirstyn's usage pattern, beyond the headline number

Keirstyn splits its recorded history at 2003: 54% of all births land in the more recent half, 46% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1990 (5 births) -- compare that against the 2008 peak of 27 for a sense of just how much the name's popularity has swung.

Keirstyn popularity over time

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

Last recorded 2019
Peak year (2008)
27
Annual births at peak, across 30 years of records
051015202530 19901994199820022006201020142019 5

Keirstyn by decade

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

2000s was Keirstyn's strongest decade.

201 babies received the name during that ten-year window, about 54% of all-time use.

Keirstyn births by decade

Total births in each ten-year window

births

What this shows Peak: 2000s at 201 births (54% of all-time use).

Source U.S. Social Security Administration · Baby Names As of July 2026

Frequently Asked Questions

How popular is the name Keirstyn?
Keirstyn has been given to 369 babies in the U.S. since 1990, according to SSA data. Its last appearance in the data was 2019. 27 babies were born in 2008, its single highest year.
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?
Records for Keirstyn go back to 1990, giving 30 years of history 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.

What to do with Keirstyn's data

  • Keirstyn's decade-level peak was the 2000s (201 total births); usage has since declined to 54 in the 2010s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • 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.

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, 1990–2019 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac. "Keirstyn: Baby Name Since 1990 - 369 Births, Peak 2008." NameAlmanac. Accessed via https://namealmanac.com/name/keirstyn. 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 Keirstyn 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.