Total births
464
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.
- 464
- total births
- 1981–2017
- years on record
- 2000s
- peak decade
- 40%
- born in that 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.
- 464 total births
- 1981–2017 years on record
- 2000s peak decade
- 40% born in that decade
Data updated Jul 2026
The verdict
464 girls have been named Cassidie since 1981, peaking in the 2000s, last recorded in 2017.
- 464
- total births
- 1981–2017
- years on record
- 2000s
- peak decade
- 40%
- born in that decade
2000s
Peak decade
40% of everyone ever named Cassidie was born in this single decade.
1998
Single peak year
31 babies were named Cassidie in 1998 - its busiest year on record.
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 at a glance
Last recorded 2017Peak year
1998
Current rank
Unranked
Active since
1981
Cassidie popularity over time
Annual U.S. births registered with the Social Security Administration · 1981–2017
- Peak year (1998)
- 31
- Annual births at peak, across 37 years of records
Cassidie by decade
Total births in each ten-year window, peak vs trough at a glance
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
- 1980s 33
1980s
33 births
- 1990s
1990s
181 births
- 2000s
2000s
186 births
- 2010s 64
2010s
64 births
What this shows Peak: 2000s at 186 births (40% of all-time use).
Cassidie by state
Where Cassidie concentrates geographically, total births since 1981
| 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. It was last recorded in 2017. The peak year was 1998 with 31 births.
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
- 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.
Keep exploring Cassidie
Nearby Names Like Cassidie
Names with a similar sound, spelling, or feel to Cassidie
Cassandra Girl
#615 171,008 births
Casey Girl
#1054 78,100 births
Cassidy Girl
#478 60,848 births
Cassie Girl
#1270 46,642 births
Casandra Girl
#8506 15,784 births
Compare Cassidie side by side: Cassidie vs Cassandra Cassidie vs Casey Cassidie vs Cassidy
Related Names
Names with a similar number of total births
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, 1981–2017 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Cassidie: Baby Name Since 1981 - 464 Births, Peak 1998." NameAlmanac. Accessed via https://namealmanac.com/name/cassidie. 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 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 July 2026.