US rank #12810 Boys' name Peak 1991 1,944 births

Kiefer — #12810 US boys' name

1,944 babies named Kiefer in U.S. Social Security records since 1988, with the highest year being 1991. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1980s1281990s9692000s5592010s2562020s32
#12810
of 14,243 boys in use

More common than 10% of names given to boys today.

1990s
Peak decade

50% of everyone ever named Kiefer was born in this single decade.

1991
Single peak year

204 babies were named Kiefer in 1991 — its busiest year on record.

What the Data Says About Kiefer

The Social Security Administration has registered 1,944 babies named Kiefer between 1988 and 2024, spanning 37 consecutive years of U.S. birth records. As a boy's name, Kiefer currently holds the #12810 rank among boys for 2024. The name reached its historical peak in 1991, when 204 babies received it in a single year.

Decade-level aggregation shows that Kiefer performed strongest in the 1990s, accumulating 969 births during that ten-year window. Across the 5 decades of recorded activity, Kiefer shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 185 births — the largest state-level total in the dataset — followed by Texas and Illinois. In total, SSA state-level files list Kiefer in 23 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Kiefer 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 1,944 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.

Kiefer at a glance

Outside the top 1,000

Total births

1,944

Since 1988

37 years of records

Peak year

1991

204 births that year

Strongest decade: 1990s

Current rank

#12,810

Among boys

As of 2024

Active since

1988

Recorded for 37 years

Last year on file: 2024

Kiefer popularity over time

Annual U.S. births registered with the Social Security Administration · 2024–1988

Outside the top 1,000
Peak year (1991)
204
Annual births at peak — across 37 years of records
-50050100150200250 20242018201320082003199819931988 35

Kiefer by decade

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

Peak: 1990s
Peak decade
1990s
969 births that decade — 50% of Kiefer's all-time total
1980s1281990s9692000s5592010s2562020s32

Kiefer by state

Where Kiefer concentrates geographically — total births since 1988

Geographically diffuse
Top 8 states by recorded births for the name Kiefer
Rank State Visual share Births Share of total
#1 California
185 9.5%
#2 Texas
83 4.3%
#3 Illinois
37 1.9%
#4 Florida
33 1.7%
#5 New York
30 1.5%
#6 Ohio
23 1.2%
#7 Indiana
20 1.0%
#8 Missouri
18 0.9%
California share of Kiefer's total US births 9.5%
Even split

185 of 1,944 births nationwide. Compared to a flat distribution across 23 reporting states.

Kiefer appears in 23 states. Explore state details →

Frequently Asked Questions

How popular is the name Kiefer?
1,944 babies have been named Kiefer since 1988. It currently ranks #12810 among boys. The peak year was 1991 with 204 births.
When was Kiefer most popular?
Kiefer was most popular in the 1990s decade with 969 total births. The single peak year was 1991.
Where is Kiefer most popular?
The top states for the name Kiefer are California (185 births), Texas (83 births), Illinois (37 births).
How long has the name Kiefer been used?
Kiefer has been recorded in Social Security data since 1988, spanning 37 years of data through 2024.
What names are similar to Kiefer?
Names with a similar sound or spelling include Kieran, Kieth, Kiel, Kiernan, and 4 more. These share a common prefix and are also used for boys.

Keep exploring Kiefer

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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, 1988–2024 (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.