Total births
5,145
Girls' name · since 1942
Cydney
Since 1942, U.S. Social Security records show 5,145 babies named Cydney, peaking in 1998. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #7658
- among girls today
- 5,145
- born since 1942
- 1990s
- peak decade
- 57%
- more common than other girls
Cydney currently ranks #7658 among girls' names in America, with 5,145 babies recorded since 1942.
According to the U.S. Social Security Administration, Cydney has been recorded 5,145 times among girls since 1942, currently ranked #7658 nationally and more common than 57% of girls, 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 1942 to 2025.
- #7658 among girls today
- 5,145 born since 1942
- 1990s peak decade
- 57% more common than other girls
Data updated Jun 2026
The verdict
Cydney is currently the #7658 girls' name in America, more common than 57% of girls - 5,145 born since 1942, peaking in the 1990s.
- #7658
- among girls today
- 5,145
- born since 1942
- 1990s
- peak decade
- 57%
- more common than other girls
Cydney vs. every other girls name in current SSA rankings
#7658
of 17,726 girls in use
More common than 57% of names given to girls today.
1990s
Peak decade
34% of everyone ever named Cydney was born in this single decade.
1998
Single peak year
227 babies were named Cydney in 1998 - its busiest year on record.
How Cydney compares
5,145 Top 13% higher than 87% of 17,726 names currently given to girls
Based on all-time total births among currently-ranked girls names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Cydney's all-time total is 13x the median girls name, and Olivia still leads by a wide margin.
| Metric | Cydney | Median girls name (Emerly) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 5,145 | 382 | 567,345 |
| Peak-year births | 227 | 48 | 19,840 |
Cydney's usage pattern, beyond the headline number
Cydney splits its recorded history at 1986: 79% of all births land in the more recent half, 21% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 1942 (5 births) -- compare that against the 1998 peak of 227 for a sense of just how much the name's popularity has swung.
Cydney at a glance
Outside the top 1,000Peak year
1998
Current rank
#7,658
Active since
1942
Cydney popularity over time - girls
Annual U.S. births registered with the Social Security Administration · 1942–2025
- Peak year (1998)
- 227
- Annual births at peak, across 84 years of records
Cydney popularity over time - boys
25 total births recorded since 1995 (Cydney as boys' name)
Cydney by decade
Total births in each ten-year window, peak vs trough at a glance
1990s was Cydney's strongest decade.
1,761 babies received the name during that ten-year window, about 34% of all-time use.
Cydney births by decade
Total births in each ten-year window
- 1940s 49
1940s
49 births
- 1950s 333
1950s
333 births
- 1960s 313
1960s
313 births
- 1970s 196
1970s
196 births
- 1980s 438
1980s
438 births
- 1990s
1990s
1,761 births
- 2000s
2000s
1,431 births
- 2010s 520
2010s
520 births
- 2020s 104
2020s
104 births
What this shows Peak: 1990s at 1,761 births (34% of all-time use).
How Cydney 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 Cydney's total volume
Cydney vs 15 similarly-sized girls names
Cydney by state
Where Cydney concentrates geographically, total births since 1942
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 460 | 8.9% |
| #2 | Texas | | 357 | 6.9% |
| #3 | Georgia | | 164 | 3.2% |
| #4 | Illinois | | 164 | 3.2% |
| #5 | Florida | | 151 | 2.9% |
| #6 | New York | | 141 | 2.7% |
| #7 | Ohio | | 138 | 2.7% |
| #8 | Pennsylvania | | 103 | 2.0% |
California share of Cydney's total US births 8.9%
Even split
460 of 5,145 births nationwide. Compared to a flat distribution across 32 reporting states.
Cydney appears in 32 states. Explore state details →
Frequently Asked Questions
How popular is the name Cydney? ▼
Cydney has been given to 5,145 babies in the U.S. since 1942, according to SSA data. Among girls, it ranks #7658 as of the latest data. 227 babies were born in 1998, its single highest year.
When was Cydney most popular? ▼
Cydney was most popular in the 1990s decade with 1,761 total births. The single peak year was 1998.
Where is Cydney most popular? ▼
The top states for the name Cydney are California (460 births), Texas (357 births), Georgia (164 births).
How long has the name Cydney been used? ▼
Cydney has been recorded in Social Security data since 1942, spanning 84 years of data through 2025.
What names are similar to Cydney? ▼
Names with a similar sound or spelling include Cydnee, Cydni, Cyd, Cydnie, and 3 more. These share a common prefix and are also used for girls.
What to do with Cydney's data
- Cydney's decade-level peak was the 1990s (1,761 total births); usage has since declined to 104 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- California records the most Cydneys (460 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 Cydney
Nearby Names Like Cydney
Names with a similar sound, spelling, or feel to Cydney
Cydnee Girl
953 births
Cydni Girl
590 births
Cyd Girl
556 births
Cydnie Girl
385 births
Cydne Girl
210 births
Compare Cydney side by side: Cydney vs Cydnee Cydney vs Cydni Cydney vs Cyd
Related Names
Names with a similar popularity rank to Cydney
Data Sources
Data as of June 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, 1942–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Cydney: #7658 Girls' Name - 5,145 Births, Peak 1998." NameAlmanac. Accessed via https://namealmanac.com/name/cydney. 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 Cydney 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 June 2026.