Total births
344
Girls' name · since 1992
Seidy
Seidy has 344 recorded births since 1992 in federal Social Security data, most heavily in 2013 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #8643
- among girls today
- 344
- born since 1992
- 2000s
- peak decade
- 51%
- more common than other girls
344 babies have been named Seidy since 1992, making it today's #8643 girls' name.
According to the U.S. Social Security Administration, Seidy has been recorded 344 times among girls since 1992, currently ranked #8643 nationally and more common than 51% 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 1992 to 2024.
- #8643 among girls today
- 344 born since 1992
- 2000s peak decade
- 51% more common than other girls
Data updated Jun 2026
The verdict
Seidy is currently the #8643 girls' name in America, more common than 51% of girls - 344 born since 1992, peaking in the 2000s.
- #8643
- among girls today
- 344
- born since 1992
- 2000s
- peak decade
- 51%
- more common than other girls
Seidy vs. every other girls name in current SSA rankings
#8643
of 17,726 girls in use
More common than 51% of names given to girls today.
2000s
Peak decade
38% of everyone ever named Seidy was born in this single decade.
2013
Single peak year
19 babies were named Seidy in 2013 - its busiest year on record.
How Seidy compares
344 48th percentile among 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
Seidy's all-time total is 10% below the median girls name, and Olivia still leads by a wide margin.
| Metric | Seidy | Median girls name (Emerly) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 344 | 382 | 567,345 |
| Peak-year births | 19 | 48 | 19,840 |
Seidy's usage pattern, beyond the headline number
Seidy splits its recorded history at 2008: 49% of all births land in the more recent half, 51% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1992 (6 births) -- compare that against the 2013 peak of 19 for a sense of just how much the name's popularity has swung.
Seidy at a glance
Outside the top 1,000Peak year
2013
Current rank
#8,643
Active since
1992
Seidy popularity over time
Annual U.S. births registered with the Social Security Administration · 1992–2024
- Peak year (2013)
- 19
- Annual births at peak, across 33 years of records
Seidy by decade
Total births in each ten-year window, peak vs trough at a glance
2000s was Seidy's strongest decade.
132 babies received the name during that ten-year window, about 38% of all-time use.
Seidy births by decade
Total births in each ten-year window
- 1990s
1990s
70 births
- 2000s
2000s
132 births
- 2010s
2010s
92 births
- 2020s 50
2020s
50 births
What this shows Peak: 2000s at 132 births (38% of all-time use).
Seidy by state
Where Seidy concentrates geographically, total births since 1992
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 50 | 14.5% |
| #2 | Texas | | 13 | 3.8% |
California share of Seidy's total US births 14.5%
Even split
50 of 344 births nationwide. Compared to a flat distribution across 2 reporting states.
Frequently Asked Questions
How popular is the name Seidy? ▼
Seidy has been given to 344 babies in the U.S. since 1992, according to SSA data. Among girls, it ranks #8643 as of the latest data. 19 babies were born in 2013, its single highest year.
When was Seidy most popular? ▼
Seidy was most popular in the 2000s decade with 132 total births. The single peak year was 2013.
Where is Seidy most popular? ▼
The top states for the name Seidy are California (50 births), Texas (13 births).
How long has the name Seidy been used? ▼
Seidy has been recorded in Social Security data since 1992, spanning 33 years of data through 2024.
What names are similar to Seidy? ▼
Names with a similar sound or spelling include Seirra, Seira, Seila, Seini, and 4 more. These share a common prefix and are also used for girls.
What to do with Seidy's data
- Seidy's usage has stayed within range of its 2000s decade-level peak (132 total births) through the 2020s (50) -- a comparatively stable name, not a fading trend.
- California records the most Seidys (50 births) -- see the full state breakdown if geography matters to your decision. California 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 Seidy
Nearby Names Like Seidy
Names with a similar sound, spelling, or feel to Seidy
Seirra Girl
887 births
Seira Girl
124 births
Seila Girl
#11591 74 births
Seini Girl
71 births
Seina Girl
#13909 65 births
Compare Seidy side by side: Seidy vs Seirra Seidy vs Seira Seidy vs Seila
Related Names
Names with a similar popularity rank to Seidy
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, 1992–2024 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Seidy: #8643 Girls' Name - 344 Births, Peak 2013." NameAlmanac. Accessed via https://namealmanac.com/name/seidy. 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 Seidy 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.