Recorded 1970–1994 Girls' name Peak 1990 22 births

Siobhain — girls' name

22 babies named Siobhain in U.S. Social Security records since 1970, with the highest year being 1990. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1970s51990s17

The verdict

22 girls have been named Siobhain since 1970, peaking in the 1990s, last recorded in 1994.

22
total births
1970–1994
years on record
1990s
peak decade
77%
born in that decade
1990s
Peak decade

77% of everyone ever named Siobhain was born in this single decade.

1990
Single peak year

6 babies were named Siobhain in 1990 — its busiest year on record.

What the Data Says About Siobhain

The Social Security Administration has registered 22 babies named Siobhain between 1970 and 1994, spanning 25 consecutive years of U.S. birth records. As a girl's name, Siobhain currently falls outside the top 1,000 girls' names for 1994. The name reached its historical peak in 1990, when 6 babies received it in a single year.

Decade-level aggregation shows that Siobhain performed strongest in the 1990s, accumulating 17 births during that ten-year window. Across the 2 decades of recorded activity, Siobhain shows a stable profile with only moderate drift from its peak decade. Geographically, the name is most concentrated in Texas, which accounts for 5 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Siobhain in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Siobhain 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 22 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.

Siobhain at a glance

Last recorded 1994

Total births

22

Since 1970

25 years of records

Peak year

1990

6 births that year

Strongest decade: 1990s

Current rank

Unranked

Outside the modern top-1,000

As of 1994

Active since

1970

Recorded for 25 years

Last year on file: 1994

Siobhain popularity over time

Annual U.S. births registered with the Social Security Administration · 1994–1970

Last recorded 1994
Peak year (1990)
6
Annual births at peak — across 25 years of records
4.555.566.5 1994199119901970 5

Siobhain by decade

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

Peak: 1990s
Peak decade
1990s
17 births that decade — 77% of Siobhain's all-time total
1970s51990s17

Siobhain by state

Where Siobhain concentrates geographically — total births since 1970

Regionally concentrated
Top 1 states by recorded births for the name Siobhain
Rank State Visual share Births Share of total
#1 Texas
5 22.7%
Texas share of Siobhain's total US births 22.7%

5 of 22 births nationwide.

Frequently Asked Questions

How popular is the name Siobhain?
22 babies have been named Siobhain since 1970. It was last recorded in 1994. The peak year was 1990 with 6 births.
When was Siobhain most popular?
Siobhain was most popular in the 1990s decade with 17 total births. The single peak year was 1990.
Where is Siobhain most popular?
The top states for the name Siobhain are Texas (5 births).
How long has the name Siobhain been used?
Siobhain has been recorded in Social Security data since 1970, spanning 25 years of data through 1994.
What names are similar to Siobhain?
Names with a similar sound or spelling include Siobhan, Siomara, Siona, Sion, 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, 1970–1994 (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.