Girls' name · since 1915
Sydna
Sydna has 168 recorded births since 1915 in federal Social Security data, most heavily in 1940 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #21,643 of 72,339
- all-time among girls
- 168
- born since 1915
- 1940s
- peak decade
Sydna is not among the current top-ranked girls names; 168 have been recorded since 1915.
According to the U.S. Social Security Administration, Sydna has been recorded 168 times among girls since 1915, though it is not among the currently most-used girls names, with its heaviest use in the 1940s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1915 to 1979.
- #21,643 of 72,339 all-time among girls
- 168 born since 1915
- 1940s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Sydna ranks #21,643 of 72,339 girls' names by all-time recorded births (highest first). 168 born since 1915, peaking in the 1940s.
- #21,643 of 72,339
- all-time among girls
- 168
- born since 1915
- 1940s
- peak decade
Sydna's 168 recorded births place it above 70.07% of the 72,339 girls names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
Sydna's usage pattern, beyond the headline number
Divide Sydna's SSA record in two at 1944 and the more recent half accounts for 46% of all births, the earlier half the remaining 54%, a genuinely balanced usage pattern. Its calmest year was 1942, with only 5 births recorded -- set against the 1940 peak of 15, that's the full swing in one name's fortunes.
Sydna popularity over time
Annual U.S. births registered with the Social Security Administration · 1915–1979
- Peak year (1940)
- 15
- Annual births at peak, across 65 years of records
Sydna by decade
1940s is the heaviest window (66 births, 39% of the file).
1940s was Sydna's strongest decade.
66 babies received the name during that ten-year window, about 39% of all-time use.
Sydna births by decade
Total births in each ten-year window
- 1910s 6
1910s
6 births
- 1920s 6
1920s
6 births
- 1930s
1930s
39 births
- 1940s
1940s
66 births
- 1950s
1950s
46 births
- 1970s 5
1970s
5 births
What this shows Peak: 1940s at 66 births (39% of all-time use).
Frequently Asked Questions
How popular is the name Sydna? ▼
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When was Sydna most popular? ▼
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What to do with Sydna's data
- Sydna's decade-level peak was the 1940s (66 total births); usage has since declined to 5 in the 1970s -- if you're weighing a "classic revival" angle, the trend line argues against it.
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Sydna
Nearby Names Like Sydna
Names with a similar sound, spelling, or feel to Sydna
Compare Sydna side by side: Sydna vs Sydney Sydna vs Sydnee Sydna vs Sydni
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Sydna: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1940)
Similar record span (~64 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, 1915–1979 (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 Sydna 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.