Recorded 1994–2021 Girls' name Peak 2008 62 births

Sionna — girls' name

62 babies named Sionna in U.S. Social Security records since 1994, with the highest year being 2008. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1990s52000s252010s202020s12
2000s
Peak decade

40% of everyone ever named Sionna was born in this single decade.

2008
Single peak year

7 babies were named Sionna in 2008 — its busiest year on record.

What the Data Says About Sionna

The Social Security Administration has registered 62 babies named Sionna between 1994 and 2021, spanning 28 consecutive years of U.S. birth records. As a girl's name, Sionna currently falls outside the top 1,000 girls' names for 2021. The name reached its historical peak in 2008, when 7 babies received it in a single year.

Decade-level aggregation shows that Sionna performed strongest in the 2000s, accumulating 25 births during that ten-year window. Across the 4 decades of recorded activity, Sionna shows notable generational variation in parental adoption.

No etymological entry is currently available for Sionna 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 62 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.

Sionna at a glance

Last recorded 2021

Total births

62

Since 1994

28 years of records

Peak year

2008

7 births that year

Strongest decade: 2000s

Current rank

Unranked

Outside the modern top-1,000

As of 2021

Active since

1994

Recorded for 28 years

Last year on file: 2021

Sionna popularity over time

Annual U.S. births registered with the Social Security Administration · 2021–1994

Last recorded 2021
Peak year (2008)
7
Annual births at peak — across 28 years of records
4.555.566.577.5 20212020201820142013201020092008200720031994 5

Sionna by decade

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

Peak: 2000s
Peak decade
2000s
25 births that decade — 40% of Sionna's all-time total
1990s52000s252010s202020s12

Frequently Asked Questions

How popular is the name Sionna?
62 babies have been named Sionna since 1994. It was last recorded in 2021. The peak year was 2008 with 7 births.
When was Sionna most popular?
Sionna was most popular in the 2000s decade with 25 total births. The single peak year was 2008.
How long has the name Sionna been used?
Sionna has been recorded in Social Security data since 1994, spanning 28 years of data through 2021.
What names are similar to Sionna?
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, 1994–2021 (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.