Recorded 1919–2023 Boys' name Peak 2007 329 births

Zeferino — boys' name

329 babies named Zeferino in U.S. Social Security records since 1919, with the highest year being 2007. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1910s51920s261930s201940s101950s111960s151970s431980s571990s612000s582010s172020s6
1990s
Peak decade

19% of everyone ever named Zeferino was born in this single decade.

2007
Single peak year

14 babies were named Zeferino in 2007 — its busiest year on record.

What the Data Says About Zeferino

The Social Security Administration has registered 329 babies named Zeferino between 1919 and 2023, spanning 105 consecutive years of U.S. birth records. As a boy's name, Zeferino currently falls outside the top 1,000 boys' names for 2023. The name reached its historical peak in 2007, when 14 babies received it in a single year.

Decade-level aggregation shows that Zeferino performed strongest in the 1990s, accumulating 61 births during that ten-year window. Across the 12 decades of recorded activity, Zeferino shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 34 births — the largest state-level total in the dataset — followed by Texas. In total, SSA state-level files list Zeferino in 2 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Zeferino 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 329 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.

Zeferino at a glance

Last recorded 2023

Total births

329

Since 1919

105 years of records

Peak year

2007

14 births that year

Strongest decade: 1990s

Current rank

Unranked

Outside the modern top-1,000

As of 2023

Active since

1919

Recorded for 105 years

Last year on file: 2023

Zeferino popularity over time

Annual U.S. births registered with the Social Security Administration · 2023–1919

Last recorded 2023
Peak year (2007)
14
Annual births at peak — across 105 years of records
46810121416 202320071997198919811971194919281919 5

Zeferino by decade

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

Peak: 1990s
Peak decade
1990s
61 births that decade — 19% of Zeferino's all-time total
1910s51920s261930s201940s101950s111960s151970s431980s571990s612000s582010s172020s6

Zeferino by state

Where Zeferino concentrates geographically — total births since 1919

Geographically diffuse
Top 2 states by recorded births for the name Zeferino
Rank State Visual share Births Share of total
#1 California
34 10.3%
#2 Texas
32 9.7%
California share of Zeferino's total US births 10.3%
Even split

34 of 329 births nationwide. Compared to a flat distribution across 2 reporting states.

Frequently Asked Questions

How popular is the name Zeferino?
329 babies have been named Zeferino since 1919. It was last recorded in 2023. The peak year was 2007 with 14 births.
When was Zeferino most popular?
Zeferino was most popular in the 1990s decade with 61 total births. The single peak year was 2007.
Where is Zeferino most popular?
The top states for the name Zeferino are California (34 births), Texas (32 births).
How long has the name Zeferino been used?
Zeferino has been recorded in Social Security data since 1919, spanning 105 years of data through 2023.
What names are similar to Zeferino?
Names with a similar sound or spelling include Zef, 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, 1919–2023 (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.