Given name
Sianna
“God is gracious”
Sianna is a variant of Sian. In Welsh use, Sian carries the interpretation “God is gracious.”
Meaning & origin
What it means
Sianna is a variant of Sian. In Welsh use, Sian carries the interpretation “God is gracious.”
Explained through its name family
The story
Published U.S. birth records include this spelling as early as 1978. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Sianna through the years
- Babies since 1880
- 2,052
- 0 boys · 2,052 girls
- Most popular year
- 2024
- 98 babies
- 2025
- 87
- #2,152 for girls
- 2021–25 vs 2016–20
- +42%
- Rising
Where it’s given
By the numbers
In 2025, this name appeared in 87 U.S. birth records for girls, ranking No. 2,152 among girls’ names. Average annual use for girls was 42.5% higher in 2021–2025 than in 2016–2020. In 2025, Florida had the largest reported state-level birth count for girls with this name (13). Published U.S. population figures for this spelling include 1,355 as a first name in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Sianna’s family of names
Sianna has a related form in Sian. In Greek usage, Sianna is a transliteration of Σιάννα.
Inner ring: spellings · middle: nicknames and forms · outer: across languages.
Nicknames & forms 1
Diminutives, pet forms, short forms and variants used alongside the name.
Spellings & scripts 3
The same name written differently, including transliterations into other scripts.
Across languages 2
Equivalents and cognates in other languages, plus older forms it grew from.
Similar names
If you love Sianna, these share its style, era, origin or sound, from outside its own family.