Girls' name · since 1977

Cassidi

Cassidi has 863 recorded births since 1977 in federal Social Security data, most heavily in 1999 -- full year-by-year trend, decade aggregates, and state rankings follow.

863
total births
1977–2020
years on record
1990s
peak decade
35%
born in that decade

863 girls have been named Cassidi since 1977, though it isn't currently a top-ranked name.

According to the U.S. Social Security Administration, Cassidi has been recorded 863 times among girls since 1977, though it is not among the currently most-used girls names, with its heaviest use in the 1990s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1977 to 2020.

  • 863 total births
  • 1977–2020 years on record
  • 1990s peak decade
  • 35% born in that decade

Data updated Jul 2026

The verdict

863 girls have been named Cassidi since 1977, peaking in the 1990s, last recorded in 2020.

863
total births
1977–2020
years on record
1990s
peak decade
35%
born in that decade
1990s
Peak decade

35% of everyone ever named Cassidi was born in this single decade.

1999
Single peak year

51 babies were named Cassidi in 1999 - its busiest year on record.

Cassidi's usage pattern, beyond the headline number

Splitting Cassidi's full recorded timeline at 2000, 49% of its total births fall in the more recent half of the record versus 51% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1977, with just 6 recorded births -- worth weighing against the 1999 peak of 51 to see the full range of the name's swing in popularity.

Cassidi at a glance

Last recorded 2020

Total births

863

Since 1977

44 years of records

Peak year

1999

51 births that year

Strongest decade: 1990s

Current rank

Unranked

Outside the modern top-1,000

As of 2020

Active since

1977

Recorded for 44 years

Last year on file: 2020

Cassidi popularity over time

Annual U.S. births registered with the Social Security Administration · 1977–2020

Last recorded 2020
Peak year (1999)
51
Annual births at peak, across 44 years of records
0102030405060 19771985199119972003200920152020 12

Cassidi by decade

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

1990s was Cassidi's strongest decade.

300 babies received the name during that ten-year window, about 35% of all-time use.

Cassidi births by decade

Total births in each ten-year window

births

What this shows Peak: 1990s at 300 births (35% of all-time use).

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

How Cassidi compares to similarly-sized names

Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Cassidi's total volume

Cassidi vs 15 similarly-sized girls names

Cassidi vs 15 similarly-sized girls names Scatter plot of 16 data points. 0%5%10%15%20%25% 020406080100120 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year Cassidi
Cassidi vs 15 similarly-sized girls names

Cassidi by state

Where Cassidi concentrates geographically, total births since 1977

Geographically diffuse
Top 5 states by recorded births for the name Cassidi
Rank State Visual share Births Share of total
#1 Texas
35 4.1%
#2 California
18 2.1%
#3 Florida
6 0.7%
#4 Utah
6 0.7%
#5 North Carolina
5 0.6%
Texas share of Cassidi's total US births 4.1%
Even split

35 of 863 births nationwide. Compared to a flat distribution across 5 reporting states.

Frequently Asked Questions

How popular is the name Cassidi?
Cassidi has been given to 863 babies in the U.S. since 1977, according to SSA data. Its last appearance in the data was 2020. 51 babies were born in 1999, its single highest year.
When was Cassidi most popular?
Cassidi was most popular in the 1990s decade with 300 total births. The single peak year was 1999.
Where is Cassidi most popular?
The top states for the name Cassidi are Texas (35 births), California (18 births), Florida (6 births).
How long has the name Cassidi been used?
Records for Cassidi go back to 1977, giving 44 years of history through 2020.
What names are similar to Cassidi?
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 Cassidi's data

  • Cassidi's decade-level peak was the 1990s (300 total births); usage has since declined to 12 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • Texas records the most Cassidis (35 births) -- see the full state breakdown if geography matters to your decision. Texas 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.

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, 1977–2020 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Cassidi: Baby Name Since 1977 - 863 Births, Peak 1999." NameAlmanac. Accessed via https://namealmanac.com/name/cassidi. 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 Cassidi 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.