Boys' name · since 1991

Seph

Since 1991, U.S. Social Security records show 18 babies named Seph, peaking in 1991. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

18
total births
1991–2017
years on record
1990s
peak decade
39%
born in that decade

Seph is not among the current top-ranked boys names; 18 have been recorded since 1991.

Seph has 18 recorded births among boys since 1991, 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 1991 to 2017.

  • 18 total births
  • 1991–2017 years on record
  • 1990s peak decade
  • 39% born in that decade

Data updated Jul 2026

The verdict

18 boys have been named Seph since 1991, peaking in the 1990s, last recorded in 2017.

18
total births
1991–2017
years on record
1990s
peak decade
39%
born in that decade
1990s
Peak decade

39% of everyone ever named Seph was born in this single decade.

1991
Single peak year

7 babies were named Seph in 1991 - its busiest year on record.

Seph's usage pattern, beyond the headline number

Seph splits its recorded history at 2000: 61% of all births land in the more recent half, 39% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 2017 (5 births) -- compare that against the 1991 peak of 7 for a sense of just how much the name's popularity has swung.

Seph at a glance

Last recorded 2017

Total births

18

Since 1991

27 years of records

Peak year

1991

7 births that year

Strongest decade: 1990s

Current rank

Unranked

Outside the modern top-1,000

As of 2017

Active since

1991

Recorded for 27 years

Last year on file: 2017

Seph popularity over time

Annual U.S. births registered with the Social Security Administration · 1991–2017

Last recorded 2017
Peak year (1991)
7
Annual births at peak, across 27 years of records
4.555.566.577.5 199120002017 5

Seph by decade

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

1990s was Seph's strongest decade.

7 babies received the name during that ten-year window, about 39% of all-time use.

Seph births by decade

Total births in each ten-year window

births

What this shows Peak: 1990s at 7 births (39% of all-time use).

Source U.S. Social Security Administration · Baby Names As of July 2026

Frequently Asked Questions

How popular is the name Seph?
Since 1991, Social Security records show 18 babies named Seph. The most recent recorded year was 2017. Its busiest year on record was 1991, with 7 births.
When was Seph most popular?
Seph was most popular in the 1990s decade with 7 total births. The single peak year was 1991.
How long has the name Seph been used?
The SSA has tracked Seph since 1991 -- 27 years through the most recent 2017 data.
What names are similar to Seph?
Names with a similar sound or spelling include Sephiroth, Sepehr, Sepp. These share a common prefix and are also used for boys.

What to do with Seph's data

  • Seph's usage has stayed within range of its 1990s decade-level peak (7 total births) through the 2010s (5) -- a comparatively stable name, not a fading trend.
  • 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.

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, 1991–2017 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Seph: Baby Name Since 1991 - 18 Births, Peak 1991." NameAlmanac. Accessed via https://namealmanac.com/name/seph. 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 Seph 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.