UK girl's name
Sianna
A feminine name of uncertain origin, possibly a combination of "Sian" and "Anna".
For 2026, the newest official UK baby-name figures on this page are from 2024. That release is the current official benchmark rather than a forecast.
Sianna is a girl's name in the UK records. People looking for Sianna popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #1302, with 25 babies registered with the name. Its strongest year in the published records was 2013, with 43 births.
This profile covers 612 England and Wales registrations across 28 recorded years from 1996 to 2024. The figures come from ONS England and Wales and NRS Scotland, so the page is a view of published baby-name registrations rather than a forecast or a live count of people using the name today.
The latest count is about 58% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 615 living people in the UK are called Sianna. This uses published birth registrations from England and Wales, Scotland and Northern Ireland, then applies ONS national life tables to estimate how many are likely still alive. It does not forecast extra births for 2025 or 2026.
Key insights
- • Sianna ranked #1302 for girls in England and Wales in 2024, with 25 registrations.
- • The name peaked in 2013, when 43 girls were registered as Sianna.
- • Sianna ranks best in Scotland in the latest published regional snapshot for that area, where it placed #765 in 2020.
- • About 615 living people in the UK are estimated to have Sianna as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#1302
2024
Births in 2024
25
Latest year
Peak year
2013
43 births
Estimated living
615
2026
Meaning
What does Sianna mean?
The name Sianna is thought to have its origins in the ancient Celtic languages spoken across parts of Europe. It is believed to be derived from the Gaelic word "sìon," meaning "storm" or "gale." The name likely emerged during the Middle Ages, as Gaelic culture and traditions were widespread across the British Isles.
One of the earliest recorded instances of the name Sianna can be found in a 13th-century Welsh manuscript, where it appears as "Sianna ferch Rhys," referring to a woman named Sianna, daughter of Rhys. This suggests that the name was in use among the Celtic populations of Wales during this period.
In Irish folklore, there are references to a legendary figure named Sianna, a powerful druidess and healer who was said to possess great knowledge of the natural world and the ability to control the elements. This mythical figure may have contributed to the popularity and symbolic significance of the name.
Throughout history, several notable women have borne the name Sianna. One of the earliest was Sianna of Kildare (c. 1215-1290), an Irish noblewoman and landowner who played a significant role in the political affairs of her time.
Another prominent figure was Sianna de Montfort (c. 1292-1358), a French-English noblewoman and heiress who inherited vast estates and wielded considerable influence in medieval England.
In the 16th century, Sianna Caracciolo (1515-1585) was an Italian Renaissance poet and writer who gained recognition for her literary works and patronage of the arts.
During the 17th century, Sianna O'Cahan (1628-1692) was an Irish chieftain's daughter who became a renowned leader and negotiator, playing a crucial role in the Irish Confederate Wars.
In more recent times, Sianna Platten (1867-1935) was a British suffragette and activist who fought for women's rights and political representation in the early 20th century.
While these are just a few examples, the name Sianna has been carried by women throughout history, often associated with strength, resilience, and a connection to nature and the elements.
Sourced from namecensus.com.
Popularity
Sianna over time
The chart below shows babies named Sianna registered in England and Wales in the years where the name appears in the published records, from 1996 to 2024. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.
For Sianna, the clearest high point is 2013. The latest England and Wales figure is 25 births in 2024, compared with 43 at the peak.
Babies born per year
Decades
Sianna by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Sianna was a short-lived spike or a name that stayed in regular use. Average rank is calculated only from years where a published rank exists.
| Decade | Average rank | Total births | Years covered |
|---|---|---|---|
| 2020s | #1240 | 135 | 5 |
| 2010s | #1122 | 315 | 10 |
| 2000s | #1955 | 143 | 10 |
| 1990s | #2336 | 19 | 3 |
Geography
Where Sianna is most common
The bars show the latest published local birth counts for Sianna. They are useful for spotting where the name is showing up in real numbers, while the rank beside each bar shows how strongly it performs inside that region.
Sianna ranks best in Scotland in the latest published regional snapshot for that area, where it placed #765 in 2020.
Across the UK
Sianna in Scotland and Northern Ireland
Scotland (NRS)
#765 in 2020
2 years of NRS records, 6 total registered
Related
Names similar to Sianna
- Sophie 103,803
- Sophia 46,936
- Scarlett 34,261
- Sienna 32,418
- Sofia 29,136
- Sarah 27,961
- Shannon 25,510
- Summer 24,167
- Sara 14,205
- Skye 13,654
- Samantha 12,697
- Stephanie 9,309
FAQ
Sianna: questions and answers
How popular is the name Sianna in the UK right now?
In 2024, Sianna was ranked #1302 for girls in England and Wales, with 25 births registered.
When was Sianna most popular?
The peak year on record was 2013, with 43 babies registered as Sianna in England and Wales.
What is the meaning and origin of Sianna?
A feminine name of uncertain origin, possibly a combination of "Sian" and "Anna".
How many people are called Sianna in the UK?
A total of 612 babies have been registered as Sianna across the 28 years of ONS England & Wales records shown here, plus 6 more in Scotland.
Where is Sianna most common?
In the latest published local rankings, Sianna ranks best in Scotland, where it placed #765 in 2020. The regional bars on this page use birth counts, so they also reflect the size of each region.
Which records is this page based on?
The England and Wales timeline uses ONS baby-name records. Scotland figures come from NRS and Northern Ireland figures come from NISRA. Counts are registrations in published baby-name files. The living estimate uses those birth registrations with ONS national life tables.