Girls' name · since 1945

Sydnee

Sydnee has 8,255 recorded births since 1945 in federal Social Security data, most heavily in 2003 -- full year-by-year trend, decade aggregates, and state rankings follow.

#1,878 of 72,339
all-time among girls
#7,556 of 17,297
2025 SSA year
8,255
born since 1945
2000s
peak decade

Yes -- Sydnee is the #7556 most popular girls' name in the U.S. today, with 8,255 recorded since 1945.

According to the U.S. Social Security Administration, Sydnee has been recorded 8,255 times among girls since 1945, currently ranked #7556 nationally and more common than 56% of girls, with its heaviest use in the 2000s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1945 to 2025.

  • #1,878 of 72,339 all-time among girls
  • #7,556 of 17,297 2025 SSA year
  • 8,255 born since 1945
  • 2000s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Sydnee ranks #1,878 of 72,339 girls' names by all-time recorded births (highest first) and #7,556 of 17,297 among girls' names in 2025. 8,255 born since 1945, peaking in the 2000s.

#1,878 of 72,339
all-time among girls
#7,556 of 17,297
2025 SSA year
8,255
born since 1945
2000s
peak decade
0%100%Median name50%56.3%
Sydnee vs. every other girls name in current SSA rankings
Upper archive tier
All-time archive position

Sydnee's 8,255 recorded births place it above 97.4% of the 72,339 girls names in the full SSA archive.

42 jurisdictions
State-record footprint

42 jurisdictions carry state-level records, led by Texas.

How Sydnee compares

8,255 Top 11% higher than 89% 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

Sydnee's all-time total is 22x the median girls name, and Olivia still leads by a wide margin.

Metric Sydnee Median girls name (Kyann) #1 girls name (Olivia)
All-time total births 8,255 376 567,345
Peak-year births 506 21 19,840

Sydnee's usage pattern, beyond the headline number

Divide Sydnee's SSA record in two at 1993 and the more recent half accounts for 91% of all births, the earlier half the remaining 9%, consistent with a name still gaining ground rather than fading. Its calmest year was 1949, with only 5 births recorded -- set against the 2003 peak of 506, that's the full swing in one name's fortunes.

Sydnee popularity over time

Annual U.S. births registered with the Social Security Administration · 1945–2025

Outside the top 1,000
Peak year (2003)
506
Annual births at peak, across 81 years of records
0200400600 194519601978198819972006201520242025 14

Sydnee by decade

2000s is the heaviest window (3,842 births, 47% of the file).

2000s was Sydnee's strongest decade.

3,842 babies received the name during that ten-year window, about 47% of all-time use.

Sydnee births by decade

Total births in each ten-year window

births

What this shows Peak: 2000s at 3,842 births (47% of all-time use).

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

How Sydnee 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 Sydnee's total volume

Sydnee vs 15 similarly-sized girls names Scatter plot of 16 data points. 0%2%4%6%8%10% 050100150200 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 -62, 7.5%-35, 9.2%-104, 2.7%-47, 5.3%-56, 6.2%-84, 3%-126, 3.6%-73, 3.7%-143, 2.1%-45, 3.9%-82, 4.9%-58, 5.9%-124, 3.3%-146, 3.8%-64, 5%Sydnee-81, 6.1%Sydnee
Sydnee vs 15 similarly-sized girls names

Sydnee by state

Where Sydnee concentrates geographically, total births since 1945

Geographically diffuse
Top 8 states by recorded births for the name Sydnee
Rank State Visual share Births Share of total
#1 Texas
710 8.6%
#2 California
696 8.4%
#3 Utah
497 6.0%
#4 Ohio
318 3.9%
#5 Pennsylvania
244 3.0%
#6 Illinois
238 2.9%
#7 Florida
237 2.9%
#8 Georgia
232 2.8%
Texas share of Sydnee's total US births 8.6%
Even split

710 of 8,255 births nationwide. Compared to a flat distribution across 42 reporting states.

Sydnee appears in 42 states. Explore state details →

Frequently Asked Questions

How popular is the name Sydnee?
Since 1945, Social Security records show 8,255 babies named Sydnee. Across the full SSA archive it ranks #1,878 of 72,339 girls' names by total births. In 2025, it holds #7,556 of 17,297 among girls. Its busiest year on record was 2003, with 506 births.
Where does Sydnee sit in the SSA name archive?
According to the U.S. Social Security Administration, Sydnee ranks #1,878 of 72,339 girls' names by all-time recorded births (highest first) and #7,556 of 17,297 among girls' names in 2025. All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the 2025 SSA file. See /methodology#corpus-placement.
When was Sydnee most popular?
Sydnee was most popular in the 2000s decade with 3,842 total births. The single peak year was 2003.
Where is Sydnee most popular?
The top states for the name Sydnee are Texas (710 births), California (696 births), Utah (497 births).
How long has the name Sydnee been used?
Records for Sydnee go back to 1945, giving 81 years of history through 2025.
What names are similar to Sydnee?
Names with a similar sound or spelling include Sydney, Sydni, Sydnie, Sydne, and 4 more. These share a common prefix and are also used for girls.

What to do with Sydnee's data

  • Sydnee's decade-level peak was the 2000s (3,842 total births); usage has since declined to 154 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • Texas records the most Sydnees (710 births) -- see the full state breakdown if geography matters to your decision. Texas names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Keep exploring Sydnee

Nearby Names Like Sydnee

Names with a similar sound, spelling, or feel to Sydnee

Names with a similar popularity rank to Sydnee

Nationwide names with similar peak year or record span

Two nationwide peer axes for Sydnee: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

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, 1945–2025 (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 Sydnee 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.