Recorded 1949–2013 Girls' name Peak 1995 236 births

Sidni — girls' name

236 babies named Sidni in U.S. Social Security records since 1949, with the highest year being 1995. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1940s51980s81990s1122000s992010s12
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.

What the Data Says About Sidni

The Social Security Administration has registered 236 babies named Sidni between 1949 and 2013, spanning 65 consecutive years of U.S. birth records. As a girl's name, Sidni currently falls outside the top 1,000 girls' names for 2013. The name reached its historical peak in 1995, when 21 babies received it in a single year.

Decade-level aggregation shows that Sidni performed strongest in the 1990s, accumulating 112 births during that ten-year window. Across the 5 decades of recorded activity, Sidni shows a clear decline from its mid-century high.

No etymological entry is currently available for Sidni in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 236 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Sidni at a glance

Last recorded 2013

Total births

236

Since 1949

65 years of records

Peak year

1995

21 births that year

Strongest decade: 1990s

Current rank

Unranked

Outside the modern top-1,000

As of 2013

Active since

1949

Recorded for 65 years

Last year on file: 2013

Sidni popularity over time

Annual U.S. births registered with the Social Security Administration · 2013–1949

Last recorded 2013
Peak year (1995)
21
Annual births at peak — across 65 years of records
0510152025 20132008200420011998199519921949 5

Sidni by decade

Total births in each ten-year window — peak vs trough at a glance

Peak: 1990s
Peak decade
1990s
112 births that decade — 47% of Sidni's all-time total
1940s51980s81990s1122000s992010s12

Frequently Asked Questions

How popular is the name Sidni?
236 babies have been named Sidni since 1949. It was last recorded in 2013. The peak year 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, Sidonia, and 4 more. These share a common prefix and are also used for girls.

Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1949–2013 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.