Recorded 1973–2023 Boys' name Peak 1973 44 births

Zef — boys' name

44 babies named Zef in U.S. Social Security records since 1973, with the highest year being 1973. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1970s61980s101990s52000s62010s122020s5
2010s
Peak decade

27% of everyone ever named Zef was born in this single decade.

1973
Single peak year

6 babies were named Zef in 1973 — its busiest year on record.

What the Data Says About Zef

The Social Security Administration has registered 44 babies named Zef between 1973 and 2023, spanning 51 consecutive years of U.S. birth records. As a boy's name, Zef currently falls outside the top 1,000 boys' names for 2023. The name reached its historical peak in 1973, when 6 babies received it in a single year.

Decade-level aggregation shows that Zef performed strongest in the 2010s, accumulating 12 births during that ten-year window. Across the 6 decades of recorded activity, Zef shows notable generational variation in parental adoption.

No etymological entry is currently available for Zef 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 44 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.

Zef at a glance

Last recorded 2023

Total births

44

Since 1973

51 years of records

Peak year

1973

6 births that year

Strongest decade: 2010s

Current rank

Unranked

Outside the modern top-1,000

As of 2023

Active since

1973

Recorded for 51 years

Last year on file: 2023

Zef popularity over time

Annual U.S. births registered with the Social Security Administration · 2023–1973

Last recorded 2023
Peak year (1973)
6
Annual births at peak — across 51 years of records
4.555.566.5 20232013201120001994198619831973 6

Zef by decade

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

Peak: 2010s
Peak decade
2010s
12 births that decade — 27% of Zef's all-time total
1970s61980s101990s52000s62010s122020s5

Frequently Asked Questions

How popular is the name Zef?
44 babies have been named Zef since 1973. It was last recorded in 2023. The peak year was 1973 with 6 births.
When was Zef most popular?
Zef was most popular in the 2010s decade with 12 total births. The single peak year was 1973.
How long has the name Zef been used?
Zef has been recorded in Social Security data since 1973, spanning 51 years of data through 2023.
What names are similar to Zef?
Names with a similar sound or spelling include Zeferino, Zefram. These share a common prefix and are also used for boys.

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, 1973–2023 (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.