Total births
236
Girls' name · since 1949
Sidni
Since 1949, U.S. Social Security records show 236 babies named Sidni, peaking in 1995. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 236
- total births
- 1949–2013
- years on record
- 1990s
- peak decade
- 47%
- born in that decade
236 girls have been named Sidni since 1949, though it isn't currently a top-ranked name.
According to the U.S. Social Security Administration, Sidni has been recorded 236 times among girls since 1949, though it is not among the currently most-used girls names, with its heaviest use in the 1990s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1949 to 2013.
- 236 total births
- 1949–2013 years on record
- 1990s peak decade
- 47% born in that decade
Data updated Jun 2026
The verdict
236 girls have been named Sidni since 1949, peaking in the 1990s, last recorded in 2013.
- 236
- total births
- 1949–2013
- years on record
- 1990s
- peak decade
- 47%
- born in that decade
1990s
Peak decade
47% of everyone ever named Sidni was born in this single decade.
1995
Single peak year
21 babies were named Sidni in 1995 - its busiest year on record.
Sidni's usage pattern, beyond the headline number
Splitting Sidni's full recorded timeline at 2000, 47% of its total births fall in the more recent half of the record versus 53% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1949, with just 5 recorded births -- worth weighing against the 1995 peak of 21 to see the full range of the name's swing in popularity.
Sidni at a glance
Last recorded 2013Peak year
1995
Current rank
Unranked
Active since
1949
Sidni popularity over time
Annual U.S. births registered with the Social Security Administration · 1949–2013
- Peak year (1995)
- 21
- Annual births at peak, across 65 years of records
Sidni by decade
Total births in each ten-year window, peak vs trough at a glance
1990s was Sidni's strongest decade.
112 babies received the name during that ten-year window, about 47% of all-time use.
Sidni births by decade
Total births in each ten-year window
- 1940s 5
1940s
5 births
- 1980s 8
1980s
8 births
- 1990s
1990s
112 births
- 2000s
2000s
99 births
- 2010s 12
2010s
12 births
What this shows Peak: 1990s at 112 births (47% of all-time use).
Frequently Asked Questions
How popular is the name Sidni? ▼
Since 1949, Social Security records show 236 babies named Sidni. The most recent recorded year was 2013. Its busiest year on record was 1995, with 21 births.
When was Sidni most popular? ▼
Sidni was most popular in the 1990s decade with 112 total births. The single peak year was 1995.
How long has the name Sidni been used? ▼
Sidni has been recorded in Social Security data since 1949, spanning 65 years of data through 2013.
What names are similar to Sidni? ▼
Names with a similar sound or spelling include Sidney, Sidra, Sidnee, Siddhi, and 4 more. These share a common prefix and are also used for girls.
What to do with Sidni's data
- Sidni's decade-level peak was the 1990s (112 total births); usage has since declined to 12 in the 2010s -- 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 Sidni
Nearby Names Like Sidni
Names with a similar sound, spelling, or feel to Sidni
Sidney Girl
#1732 24,785 births
Sidra Girl
#1639 1,883 births
Sidnee Girl
636 births
Siddhi Girl
#7110 400 births
Sidonia Girl
398 births
Compare Sidni side by side: Sidni vs Sidney Sidni vs Sidra Sidni vs Sidnee
Related Names
Names with a similar number of total births
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, 1949–2013 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Sidni: Baby Name Since 1949 - 236 Births, Peak 1995." NameAlmanac. Accessed via https://namealmanac.com/name/sidni. 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 Sidni 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.