Total births
166
Boys' name · since 1989
Kieffer
Kieffer has 166 recorded births since 1989 in federal Social Security data, most heavily in 1994 -- full year-by-year trend, decade aggregates, and state rankings follow.
- 166
- total births
- 1989–2014
- years on record
- 1990s
- peak decade
- 67%
- born in that decade
Kieffer is not among the current top-ranked boys names; 166 have been recorded since 1989.
Kieffer has 166 recorded births among boys since 1989, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1990s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1989 to 2014.
- 166 total births
- 1989–2014 years on record
- 1990s peak decade
- 67% born in that decade
Data updated Jul 2026
The verdict
166 boys have been named Kieffer since 1989, peaking in the 1990s, last recorded in 2014.
- 166
- total births
- 1989–2014
- years on record
- 1990s
- peak decade
- 67%
- born in that decade
1990s
Peak decade
67% of everyone ever named Kieffer was born in this single decade.
1994
Single peak year
17 babies were named Kieffer in 1994 - its busiest year on record.
Kieffer's usage pattern, beyond the headline number
Splitting Kieffer's full recorded timeline at 1998, 38% of its total births fall in the more recent half of the record versus 62% in the earlier half -- the name was more prevalent in its earlier era than it is today. Its quietest year on record was 1999, with just 5 recorded births -- worth weighing against the 1994 peak of 17 to see the full range of the name's swing in popularity.
Kieffer at a glance
Last recorded 2014Peak year
1994
Current rank
Unranked
Active since
1989
Kieffer popularity over time
Annual U.S. births registered with the Social Security Administration · 1989–2014
- Peak year (1994)
- 17
- Annual births at peak, across 26 years of records
Kieffer by decade
Total births in each ten-year window, peak vs trough at a glance
1990s was Kieffer's strongest decade.
111 babies received the name during that ten-year window, about 67% of all-time use.
Kieffer births by decade
Total births in each ten-year window
- 1980s 6
1980s
6 births
- 1990s
1990s
111 births
- 2000s 35
2000s
35 births
- 2010s 14
2010s
14 births
What this shows Peak: 1990s at 111 births (67% of all-time use).
Frequently Asked Questions
How popular is the name Kieffer? ▼
Since 1989, Social Security records show 166 babies named Kieffer. The most recent recorded year was 2014. Its busiest year on record was 1994, with 17 births.
When was Kieffer most popular? ▼
Kieffer was most popular in the 1990s decade with 111 total births. The single peak year was 1994.
How long has the name Kieffer been used? ▼
Kieffer has been recorded in Social Security data since 1989, spanning 26 years of data through 2014.
What names are similar to Kieffer? ▼
Names with a similar sound or spelling include Kieran, Kieth, Kiel, Kiefer, and 4 more. These share a common prefix and are also used for boys.
What to do with Kieffer's data
- Kieffer's decade-level peak was the 1990s (111 total births); usage has since declined to 14 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.
Keep exploring Kieffer
Nearby Names Like Kieffer
Names with a similar sound, spelling, or feel to Kieffer
Kieran Boy
#440 17,613 births
Kieth Boy
2,837 births
Kiel Boy
#11140 2,505 births
Kiefer Boy
#12851 1,950 births
Kiernan Boy
#3115 1,761 births
Compare Kieffer side by side: Kieffer vs Kieran Kieffer vs Kieth Kieffer vs Kiel
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, 1989–2014 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Kieffer: Baby Name Since 1989 - 166 Births, Peak 1994." NameAlmanac. Accessed via https://namealmanac.com/name/kieffer. 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 Kieffer 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.