US rank #8065 Girls' name Peak 1990 1,329 births

Sinead — #8065 US girls' name

1,329 babies named Sinead in U.S. Social Security records since 1975, with the highest year being 1990. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1970s581980s1821990s6272000s2952010s1182020s49
#8065
of 17,661 girls in use

More common than 54% of names given to girls today.

1990s
Peak decade

47% of everyone ever named Sinead was born in this single decade.

1990
Single peak year

160 babies were named Sinead in 1990 — its busiest year on record.

What the Data Says About Sinead

The Social Security Administration has registered 1,329 babies named Sinead between 1975 and 2024, spanning 50 consecutive years of U.S. birth records. As a girl's name, Sinead currently holds the #8065 rank among girls for 2024. The name reached its historical peak in 1990, when 160 babies received it in a single year.

Decade-level aggregation shows that Sinead performed strongest in the 1990s, accumulating 627 births during that ten-year window. Across the 6 decades of recorded activity, Sinead shows a clear decline from its mid-century high. Geographically, the name is most concentrated in New York, which accounts for 217 births — the largest state-level total in the dataset — followed by California and Massachusetts. In total, SSA state-level files list Sinead in 11 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Sinead 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 1,329 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.

Sinead at a glance

Outside the top 1,000

Total births

1,329

Since 1975

50 years of records

Peak year

1990

160 births that year

Strongest decade: 1990s

Current rank

#8,065

Among girls

As of 2024

Active since

1975

Recorded for 50 years

Last year on file: 2024

Sinead popularity over time

Annual U.S. births registered with the Social Security Administration · 2024–1975

Outside the top 1,000
Peak year (1990)
160
Annual births at peak — across 50 years of records
-50050100150200 20242017201020031996198919821975 10

Sinead by decade

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

Peak: 1990s
Peak decade
1990s
627 births that decade — 47% of Sinead's all-time total
1970s581980s1821990s6272000s2952010s1182020s49

Sinead by state

Where Sinead concentrates geographically — total births since 1975

Geographically diffuse
Top 8 states by recorded births for the name Sinead
Rank State Visual share Births Share of total
#1 New York
217 16.3%
#2 California
119 9.0%
#3 Massachusetts
102 7.7%
#4 Illinois
40 3.0%
#5 Texas
20 1.5%
#6 New Jersey
17 1.3%
#7 Pennsylvania
17 1.3%
#8 Florida
13 1.0%
New York share of Sinead's total US births 16.3%
Even split

217 of 1,329 births nationwide. Compared to a flat distribution across 11 reporting states.

Sinead appears in 11 states. Explore state details →

Frequently Asked Questions

How popular is the name Sinead?
1,329 babies have been named Sinead since 1975. It currently ranks #8065 among girls. The peak year was 1990 with 160 births.
When was Sinead most popular?
Sinead was most popular in the 1990s decade with 627 total births. The single peak year was 1990.
Where is Sinead most popular?
The top states for the name Sinead are New York (217 births), California (119 births), Massachusetts (102 births).
How long has the name Sinead been used?
Sinead has been recorded in Social Security data since 1975, spanning 50 years of data through 2024.
What names are similar to Sinead?
Names with a similar sound or spelling include Sindy, Sinai, Sina, Sincere, and 4 more. These share a common prefix and are also used for girls.

Keep exploring Sinead

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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, 1975–2024 (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.