Girls' name · since 1981

Cassidie

464 babies named Cassidie in U.S. Social Security records since 1981, with the highest year being 1998. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

#12,394 of 72,339
all-time among girls
464
born since 1981
2000s
peak decade

Cassidie is not among the current top-ranked girls names; 464 have been recorded since 1981.

Cassidie has 464 recorded births among girls since 1981, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 2000s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1981 to 2017.

  • #12,394 of 72,339 all-time among girls
  • 464 born since 1981
  • 2000s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Cassidie ranks #12,394 of 72,339 girls' names by all-time recorded births (highest first). 464 born since 1981, peaking in the 2000s.

#12,394 of 72,339
all-time among girls
464
born since 1981
2000s
peak decade
Above the archive median
All-time archive position

Cassidie's 464 recorded births place it above 82.84% of the 72,339 girls names in the full SSA archive.

1 jurisdictions
State-record footprint

The state file records this name in 1 jurisdictions, led by California.

Cassidie's usage pattern, beyond the headline number

Divide Cassidie's SSA record in two at 2001 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 1981, with only 5 births recorded -- set against the 1998 peak of 31, that's the full swing in one name's fortunes.

Cassidie popularity over time

Annual U.S. births registered with the Social Security Administration · 1981–2017

Last recorded 2017
Peak year (1998)
31
Annual births at peak, across 37 years of records
010203040 19811990199520002005201020152017 8

Cassidie by decade

2000s is the heaviest window (186 births, 40% of the file).

2000s was Cassidie's strongest decade.

186 babies received the name during that ten-year window, about 40% of all-time use.

Cassidie births by decade

Total births in each ten-year window

births

What this shows Peak: 2000s at 186 births (40% of all-time use).

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

Cassidie by state

Where Cassidie concentrates geographically, total births since 1981

Geographically diffuse
Top 1 states by recorded births for the name Cassidie
Rank State Visual share Births Share of total
#1 California
6 1.3%
California share of Cassidie's total US births 1.3%

6 of 464 births nationwide.

Frequently Asked Questions

How popular is the name Cassidie?
464 babies have been named Cassidie since 1981. All-time, it sits at #12,394 of 72,339 girls' names by recorded births. It was last recorded in 2017. The peak year was 1998 with 31 births.
Where does Cassidie sit in the SSA name archive?
According to the U.S. Social Security Administration, Cassidie ranks #12,394 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 Cassidie most popular?
Cassidie was most popular in the 2000s decade with 186 total births. The single peak year was 1998.
Where is Cassidie most popular?
The top states for the name Cassidie are California (6 births).
How long has the name Cassidie been used?
The SSA has tracked Cassidie since 1981 -- 37 years through the most recent 2017 data.
What names are similar to Cassidie?
Names with a similar sound or spelling include Cassandra, Casey, Cassidy, Cassie, and 4 more. These share a common prefix and are also used for girls.

What to do with Cassidie's data

  • Cassidie's usage has stayed within range of its 2000s decade-level peak (186 total births) through the 2010s (64) -- a comparatively stable name, not a fading trend.
  • California records the most Cassidies (6 births) -- see the full state breakdown if geography matters to your decision. California names

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

Keep exploring Cassidie

Nearby Names Like Cassidie

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

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Cassidie: 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, 1981–2017 (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 Cassidie 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.