Total births
12
Boys' name · since 2004
Sef
12 babies named Sef in U.S. Social Security records since 2004, with the highest year being 2004. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- 12
- total births
- 2004–2006
- years on record
- 2000s
- peak decade
- 100%
- born in that decade
Sef is not among the current top-ranked boys names; 12 have been recorded since 2004.
According to the U.S. Social Security Administration, Sef has been recorded 12 times among boys since 2004, though it is not among the currently most-used boys 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 2004 to 2006.
- 12 total births
- 2004–2006 years on record
- 2000s peak decade
- 100% born in that decade
Data updated Jun 2026
The verdict
12 boys have been named Sef since 2004, peaking in the 2000s, last recorded in 2006.
- 12
- total births
- 2004–2006
- years on record
- 2000s
- peak decade
- 100%
- born in that decade
2000s
Peak decade
100% of everyone ever named Sef was born in this single decade.
2004
Single peak year
6 babies were named Sef in 2004 - its busiest year on record.
Sef's usage pattern, beyond the headline number
Divide Sef's SSA record in two at 2006 and the more recent half accounts for 50% of all births, the earlier half the remaining 50%, a genuinely balanced usage pattern. Its calmest year was 2004, with only 6 births recorded.
Sef at a glance
Last recorded 2006Peak year
2004
Current rank
Unranked
Active since
2004
Sef popularity over time
Annual U.S. births registered with the Social Security Administration · 2004–2006
- Peak year (2004)
- 6
- Annual births at peak, across 3 years of records
Sef by decade
Total births in each ten-year window, peak vs trough at a glance
2000s was Sef's strongest decade.
12 babies received the name during that ten-year window, about 100% of all-time use.
Sef births by decade
Total births in each ten-year window
- 2000s
2000s
12 births
What this shows Peak: 2000s at 12 births (100% of all-time use).
Frequently Asked Questions
How popular is the name Sef? ▼
12 babies have been named Sef since 2004. It was last recorded in 2006. The peak year was 2004 with 6 births.
When was Sef most popular? ▼
Sef was most popular in the 2000s decade with 12 total births. The single peak year was 2004.
How long has the name Sef been used? ▼
Records for Sef go back to 2004, giving 3 years of history through 2006.
What names are similar to Sef? ▼
Names with a similar sound or spelling include Seferino, Sefton, Sefa. These share a common prefix and are also used for boys.
Keep exploring Sef
Nearby Names Like Sef
Names with a similar sound, spelling, or feel to Sef
Compare Sef side by side: Sef vs Seferino Sef vs Sefton Sef vs Sefa
Related Names
Names with a similar number of total births
Data Sources
Data as of June 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, 2004–2006 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Sef: Baby Name Since 2004 - 12 Births, Peak 2004." NameAlmanac. Accessed via https://namealmanac.com/name/sef. 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 Sef 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 June 2026.