"God is gracious"
Origin: Hebrew Yochanan via Welsh Siân
Language: Welsh
Sianni
Does Sianni flow with your last name?
A melodic Welsh gem that dances off the tongue
Welsh
British
Modern English
Unique
Whimsical
Modern
Melodic
Earthy
Reviewed by the NamingEverything Editorial Team · Updated
Share
Similar Names
Names Like Sianni
Same sound, same style — different options
Nicknames
Nicknames for Sianni
3 shorthand options for every setting
Meaning & Origin
"modern Welsh elaboration"
Origin: Welsh creative naming
Language: Welsh
Playground Safety
Kid-Friendly
Similar to Sianni
See all →What the Sianni report tells you
$9Personalized to your state, siblings, and priorities. Free playground safety preview included.
Is Sianni the #1 name in your state, or barely on the radar?
Enter your other kids' names. We score how well they sound together.
Downloadable PDF + nursery art
Everything in one printable report. Frame the name art.
Start with a free preview
Playground safety check is free. Full report is $9.
What do you want to do with this name?
Keep Sianni
Add it to your shortlist. Not losing this one.
Compare names
Put Sianni head-to-head with your other picks.
Start comparing →
Nickname ideas
See what Sianni actually gets called.
Browse nicknames →
What kind of baby name person are you?
3 minutes to find names that fit your style.
Take the Quiz
The Story of Sianni
Sianni is most likely a creative variant or elaboration of Siân, the Welsh form of Jane (ultimately from Hebrew Yochanan, meaning 'God is gracious'). Siân itself is a well-established Welsh name pronounced approximately 'Shahn,' and adding the '-ni' suffix creates a more flowing, melodic form. Welsh has a rich tradition of elaborate name variants, and Sianni represents modern Welsh creativity building on ancient foundations while producing something distinctly contemporary.
Sianni represents a newer wave of Welsh-influenced names gaining ground in Wales and among Welsh diaspora communities in England. As interest in Welsh language and culture has grown — particularly following increased attention to Welsh medium education and the Welsh language revival — creative Welsh-sounding names like Sianni have found a receptive audience.
Wales has undergone a significant cultural and linguistic renaissance, with Welsh language schools (ysgolion Cymraeg) expanding and the number of Welsh speakers growing for the first time in centuries. Names like Sianni reflect this pride in Welsh identity, offering something distinctly Cymric while remaining accessible enough for broader British use.
Historical Record
Sianni first appeared in US Social Security records in 1996.
Over 446 babies have been named Sianni in the United States since SSA records began.
Today, Sianni is rising quickly in popularity , currently ranked #1,785 for girl names in the US .
Fun Facts
- Siân — the root name — is one of the most common Welsh girls' names and has been used in Wales for centuries
- Wales now has over 900 Welsh medium schools, driving renewed interest in Welsh language names
- The Welsh Language Act 1993 gave Welsh official status in Wales alongside English, sparking a cultural revival that influenced naming trends
Sianni in Other Languages
Irish
Sinéad
French
Jeanne
Welsh (root)
Siân
Hebrew (origin)
Yochanan
English (equivalent)
Jane
Popularity Over Time
#1,785
Current Rank
Rising
Trend
Rising Fast
Based on SSA data 1880–present
Year-by-year popularity data will be available soon.
Famous People Named Sianni
S
Siân Lloyd
Entertainer
1960
Welsh television presenter and weather forecaster, one of the most recognized Welsh media personalities
S
Siân Phillips
Actor
1933
Legendary Welsh actress known for I, Claudius and Tinker Tailor Soldier Spy, one of Wales's greatest stage and screen pe...
Legendary Welsh actress known for I, Claudius and Tinker Tailor Soldier Spy, one of Wales's greatest stage and screen performers
Names You Might Also Love
See all →Quick Facts
- Gender
- Girl
- Syllables
- 3
- Popularity Rank
- #1,785
- Total SSA Count
- 113
- Cultural Origins
- Welsh British Modern English
- Pronunciation
- Moderate
- Formality
- Casual
- Cross-Cultural Ease
- Low
Alternative Spellings
Common Nicknames
Si
Anni
Nia
Middle Name Ideas
Suggested pairings based on syllable flow and style
-
Timeless choice, smooth 2-1 syllable flow
-
Timeless choice, modern style, extended 2-3 combo
-
Timeless choice, unique style, extended 2-3 combo
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, British heritage match, extended 2-3 combo
-
Timeless choice, unique style, extended 2-3 combo
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, smooth 2-2 syllable flow
Middle Names
Middle Names for Sianni
7 name pairings with syllable flow tips
Sibling Names
Sibling Match
Premium
Check how Sianni fits with existing sibling names — style, sound, and origin.
Enter sibling names above to see compatibility.
Similar Names
See all names like Sianni →For Parents
amz
Start a baby registry
Free welcome box on Amazon
The Baby Name Wizard
Names that age well — book
Nursery name sign
Personalized wooden letters
We may earn a commission from these links.
Compare Sianni with...
Same Origin Names (Welsh)
See all Welsh names →Names with Similar Meaning
Names that share meaning themes with Sianni
Can't decide?
Start a tournament bracket with Sianni and other names you're considering.
Start a TournamentLike this name?
Check how Sianni sounds with your surname and test for potential nicknames.
Analyze This NameExplore More Generators
-
🧝
Fantasy Name Generator
Create names for D&D and RPG characters
-
🐾
Pet Name Generator
Find the perfect name for your furry friend
-
🎭
Character Name Generator
Names for fictional characters across genres
Names You Might Also Like
View all →
Lois
Girl
Biblical Greek origin
"faithful, good"
#1,692 in US
Ridley
Girl
Old English origin
"reed clearing, cleared wood"
#1,926 in US
Elanor
Girl
Old French Alienor (Eleanor variant) origin
"the other Aenor / bright one"
#1,789 in US
Hermione
Girl
Greek mythology origin
"daughter of Helen (by association)"
#1,674 in US
Vivien
Girl
Latin origin
"alive, living, lively"
#1,714 in US
Perry
Girl
Old English origin
"pear tree"
#1,914 in US
Cecily
Girl
Latin origin
"from the Caecilius family"
#1,601 in US
Save Your Name Card
Download a shareable image with Sianni's meaning, origin, and popularity. Ready for Instagram, Pinterest, or texting to your partner.
Frequently Asked Questions About Sianni
What does the name Sianni mean?
"God is gracious" (from Hebrew Yochanan via Welsh Siân). "modern Welsh elaboration" (from Welsh creative naming). Sianni is most likely a creative variant or elaboration of Siân, the Welsh form of Jane (ultimately from Hebrew Yochanan, meaning 'God is gracious'). Siân itself is a well-established Welsh name pronounced approximately 'Shahn,' and adding the '-ni' suffix creates a more flowing, melodic form. Welsh has a rich tradition of elaborate name variants, and Sianni represents modern Welsh creativity building on ancient foundations while producing something distinctly contemporary.
What is the origin of the name Sianni?
Sianni has Hebrew Yochanan via Welsh Siân, Welsh creative naming, Welsh, British, and Modern English origins. In Hebrew Yochanan via Welsh Siân, it means "God is gracious". In Welsh creative naming, it means "modern Welsh elaboration".
Is Sianni a boy or girl name?
Sianni is primarily used as a girl name.
How popular is the name Sianni?
Sianni is currently ranked #1785 in popularity for girl names in the United States.
What are common nicknames for Sianni?
Common nicknames for Sianni include Anni and Nia.
What are good middle names for Sianni?
Popular middle name pairings include Sianni Rose, Sianni Grace, Sianni Marie, Sianni Violet, Sianni Belle, Sianni Faye, and Sianni Dawn.
What are good sibling names for Sianni?
Names that pair well with Sianni as siblings include Eira, Nia, Rhys, Bethan, Gethin, Seren, and Bronwen.
How many syllables does Sianni have?
Sianni has 3 syllables, making it distinctive and rhythmic.
Is Sianni a common or rare name?
Sianni is an uncommon name, ranked #1785 in the US. Its rarity gives it a distinctive, memorable quality.
What girl names are similar to Sianni?
About the Name Sianni
Sianni is a girl name with Welsh, British, and Modern English origins . The name means "God is gracious" in Hebrew Yochanan via Welsh Siân .
Sianni is currently ranked #1,785 in popularity for girl names in the United States.
The name Sianni has 3 syllables, making it distinctive and memorable.
Common nicknames for Sianni include Si, Anni, and Nia. These shorter forms provide casual alternatives while keeping the elegance of the full name.
Alternative spellings of Sianni include Sianna, Siana, Siani . Each spelling variation gives the name a slightly different character while preserving its sound and meaning.
Keep Exploring
Hebrew Yochanan via Welsh Siân Names
Browse all names with this origin
S
Names Starting with S
More girl names like Sianni
Rising Names
Names gaining popularity right now
Name Personality Quiz
Find names that match your style
Name Swiper
Swipe through names, build a shortlist fast
Browse All Girl Names
Full list with filters and sorting
Recommended for Parents
amz
Start a registry
Free welcome box on Amazon
Baby Name Wizard
Names that actually age well
Nursery name sign
Personalized wooden letters
We may earn a commission from these links.
Sources
- U.S. Social Security Administration — National Baby Names Data (popularity rankings and historical trends)
- Behind the Name (etymology and meaning research)
- NamingEverything editorial research and analysis