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.
- #2,526 of 72,339
- all-time among girls
- #10,208 of 17,297
- 2025 SSA year
- 5,145
- born since 1942
- 1990s
- peak decade
Cydney currently ranks #10208 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 #10208 nationally and more common than 41% 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.
- #2,526 of 72,339 all-time among girls
- #10,208 of 17,297 2025 SSA year
- 5,145 born since 1942
- 1990s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Cydney ranks #2,526 of 72,339 girls' names by all-time recorded births (highest first) and #10,208 of 17,297 among girls' names in 2025. 5,145 born since 1942, peaking in the 1990s.
- #2,526 of 72,339
- all-time among girls
- #10,208 of 17,297
- 2025 SSA year
- 5,145
- born since 1942
- 1990s
- peak decade
Cydney's 5,145 recorded births place it above 96.5% of the 72,339 girls names in the full SSA archive.
32 jurisdictions carry state-level records, led by California.
How Cydney compares
5,145 Top 14% higher than 86% of 17,297 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 14x the median girls name, and Olivia still leads by a wide margin.
| Metric | Cydney | Median girls name (Kyann) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 5,145 | 376 | 567,345 |
| Peak-year births | 227 | 21 | 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 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
1990s is the heaviest window (1,761 births, 34% of the file).
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 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% |
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? ▼
Where does Cydney sit in the SSA name archive? ▼
When was Cydney most popular? ▼
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How long has the name Cydney been used? ▼
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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
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
Compare Cydney side by side: Cydney vs Cydnee Cydney vs Cydni Cydney vs Cyd
Related Names
Names with a similar popularity rank to Cydney
Nationwide names with similar peak year or record span
Two nationwide peer axes for Cydney: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1998)
Similar record span (~83 yrs)
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, 1942–2025 (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 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 August 2026.