Total births
168
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.
- 168
- total births
- 1915–1979
- years on record
- 1940s
- peak decade
- 39%
- born in that 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.
- 168 total births
- 1915–1979 years on record
- 1940s peak decade
- 39% born in that decade
Data updated Jul 2026
The verdict
168 girls have been named Sydna since 1915, peaking in the 1940s, last recorded in 1979.
- 168
- total births
- 1915–1979
- years on record
- 1940s
- peak decade
- 39%
- born in that decade
1940s
Peak decade
39% of everyone ever named Sydna was born in this single decade.
1940
Single peak year
15 babies were named Sydna in 1940 - its busiest year on record.
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 at a glance
Last recorded 1979Peak year
1940
Current rank
Unranked
Active since
1915
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
Total births in each ten-year window, peak vs trough at a glance
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? ▼
Since 1915, Social Security records show 168 babies named Sydna. The most recent recorded year was 1979. Its busiest year on record was 1940, with 15 births.
When was Sydna most popular? ▼
Sydna was most popular in the 1940s decade with 66 total births. The single peak year was 1940.
How long has the name Sydna been used? ▼
Sydna has been recorded in Social Security data since 1915, spanning 65 years of data through 1979.
What names are similar to Sydna? ▼
Names with a similar sound or spelling include Sydney, Sydnee, Sydni, Sydnie, and 4 more. These share a common prefix and are also used for girls.
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.
- 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 Sydna
Nearby Names Like Sydna
Names with a similar sound, spelling, or feel to Sydna
Sydney Girl
#288 178,296 births
Sydnee Girl
#9048 8,255 births
Sydni Girl
#7323 5,361 births
Sydnie Girl
#8501 5,187 births
Sydne Girl
876 births
Compare Sydna side by side: Sydna vs Sydney Sydna vs Sydnee Sydna vs Sydni
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, 1915–1979 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Sydna: Baby Name Since 1915 - 168 Births, Peak 1940." NameAlmanac. Accessed via https://namealmanac.com/name/sydna. 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 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 July 2026.