Total births
8,255
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.
- #9048
- among girls today
- 8,255
- born since 1945
- 2000s
- peak decade
- 49%
- more common than other girls
Yes -- Sydnee is the #9048 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 #9048 nationally and more common than 49% 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.
- #9048 among girls today
- 8,255 born since 1945
- 2000s peak decade
- 49% more common than other girls
Data updated Jun 2026
The verdict
Sydnee is currently the #9048 girls' name in America, more common than 49% of girls - 8,255 born since 1945, peaking in the 2000s.
- #9048
- among girls today
- 8,255
- born since 1945
- 2000s
- peak decade
- 49%
- more common than other girls
Sydnee vs. every other girls name in current SSA rankings
#9048
of 17,726 girls in use
More common than 49% of names given to girls today.
2000s
Peak decade
47% of everyone ever named Sydnee was born in this single decade.
2003
Single peak year
506 babies were named Sydnee in 2003 - its busiest year on record.
How Sydnee compares
8,255 Top 10% higher than 90% 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
Sydnee's all-time total is 22x the median girls name, and Olivia still leads by a wide margin.
| Metric | Sydnee | Median girls name (Emerly) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 8,255 | 382 | 567,345 |
| Peak-year births | 506 | 48 | 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 at a glance
Outside the top 1,000Peak year
2003
Current rank
#9,048
Active since
1945
Sydnee popularity over time
Annual U.S. births registered with the Social Security Administration · 1945–2025
- Peak year (2003)
- 506
- Annual births at peak, across 81 years of records
Sydnee by decade
Total births in each ten-year window, peak vs trough at a glance
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
- 1940s 12
1940s
12 births
- 1950s 47
1950s
47 births
- 1960s 35
1960s
35 births
- 1970s 38
1970s
38 births
- 1980s 211
1980s
211 births
- 1990s
1990s
2,542 births
- 2000s
2000s
3,842 births
- 2010s 1,374
2010s
1,374 births
- 2020s 154
2020s
154 births
What this shows Peak: 2000s at 3,842 births (47% of all-time use).
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
Sydnee by state
Where Sydnee concentrates geographically, total births since 1945
| 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. Today it holds rank #9048 among girls. Its busiest year on record was 2003, with 506 births.
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
- 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 Sydnee
Nearby Names Like Sydnee
Names with a similar sound, spelling, or feel to Sydnee
Sydney Girl
#288 178,296 births
Sydni Girl
#7323 5,361 births
Sydnie Girl
#8501 5,187 births
Sydne Girl
876 births
Sydelle Girl
754 births
Compare Sydnee side by side: Sydnee vs Sydney Sydnee vs Sydni Sydnee vs Sydnie
Related Names
Names with a similar popularity rank to Sydnee
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, 1945–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Sydnee: #9048 Girls' Name - 8,255 Births, Peak 2003." NameAlmanac. Accessed via https://namealmanac.com/name/sydnee. 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 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 June 2026.