Girls' name · since 1990

Cydnei

53 babies named Cydnei in U.S. Social Security records since 1990, with the highest year being 1995. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

#34,282 of 72,339
all-time among girls
53
born since 1990
1990s
peak decade

Cydnei is not among the current top-ranked girls names; 53 have been recorded since 1990.

Social Security Administration records show Cydnei recorded 53 times among girls since 1990, though it doesn't currently rank among the most-used girls names, peaking in the 1990s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1990 to 2009.

  • #34,282 of 72,339 all-time among girls
  • 53 born since 1990
  • 1990s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Cydnei ranks #34,282 of 72,339 girls' names by all-time recorded births (highest first). 53 born since 1990, peaking in the 1990s.

#34,282 of 72,339
all-time among girls
53
born since 1990
1990s
peak decade
Below the archive median
All-time archive position

Cydnei's 53 recorded births place it above 52.35% of the 72,339 girls names in the full SSA archive.

National only
State-record footprint

No state rows cleared SSA’s public reporting threshold for this name.

Cydnei's usage pattern, beyond the headline number

Divide Cydnei's SSA record in two at 1997 and the more recent half accounts for 53% of all births, the earlier half the remaining 47%, a genuinely balanced usage pattern. Its calmest year was 1990, with only 5 births recorded -- set against the 1995 peak of 13, that's the full swing in one name's fortunes.

Cydnei popularity over time

Annual U.S. births registered with the Social Security Administration · 1990–2009

Last recorded 2009
Peak year (1995)
13
Annual births at peak, across 20 years of records
468101214 1990199419951997199920032009 10

Cydnei by decade

1990s is the heaviest window (38 births, 72% of the file).

1990s was Cydnei's strongest decade.

38 babies received the name during that ten-year window, about 72% of all-time use.

Cydnei births by decade

Total births in each ten-year window

births

What this shows Peak: 1990s at 38 births (72% of all-time use).

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

Frequently Asked Questions

How popular is the name Cydnei?
Cydnei has been given to 53 babies in the U.S. since 1990, according to SSA data. Its archive ordinal is #34,282 of 72,339 among girls' names (total births, highest first). Its last appearance in the data was 2009. 13 babies were born in 1995, its single highest year.
Where does Cydnei sit in the SSA name archive?
According to the U.S. Social Security Administration, Cydnei ranks #34,282 of 72,339 girls' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
When was Cydnei most popular?
Cydnei was most popular in the 1990s decade with 38 total births. The single peak year was 1995.
How long has the name Cydnei been used?
Cydnei has been recorded in Social Security data since 1990, spanning 20 years of data through 2009.
What names are similar to Cydnei?
Names with a similar sound or spelling include Cydney, Cydnee, Cydni, Cyd, and 3 more. These share a common prefix and are also used for girls.

What to do with Cydnei's data

  • Cydnei's usage has stayed within range of its 1990s decade-level peak (38 total births) through the 2000s (15) -- a comparatively stable name, not a fading trend.

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Keep exploring Cydnei

Nearby Names Like Cydnei

Names with a similar sound, spelling, or feel to Cydnei

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Cydnei: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.

Data Sources

Data as of August 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, 1990–2009 (ssa.gov/oact/babynames).

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

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 Cydnei 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 August 2026.