Sieanna
Of uncertain origin, potentially a feminine variant of the name Sia.
Name Census estimates that about 346 living Americans carry the first name Sieanna. The name is used almost exclusively for girls. The average person named Sieanna today is around 16 years old, and the year with the single highest number of Sieanna births was 2009 (22 babies).
This page is the full Name Census profile for Sieanna. Below you will find a gender breakdown showing how the name splits between male and female registrations, a year-by-year popularity chart stretching back to 1880, decade-level totals, the top US states for this name, its meaning and etymology, and a set of frequently asked questions with data-backed answers.
People living today
346
~ 1 in 990,619 Americans
Peak year
2009
22 babies that year
Average age
16
years old
2024 SSA rank
#13,238
Tracked since 1997
Popularity
Sieanna: popularity over time
The SSA tracks Sieanna from the 1990s through to the 2020s, spanning 4 decades of birth certificate data. The biggest single decade for the name was the 2000s, with 160 total registrations. Usage has dropped considerably from its 2000s peak. The most recent decade brought in only a fraction of the registrations that the name once attracted.
Babies born per year
Decades
Sieanna by decade
The table below breaks the full SSA timeline into ten-year windows. Each row shows how many male and female babies were given the name Sieanna during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Geography
Where Sieannas live
Origin
Meaning and history of Sieanna
The name Sieanna has its origins in the Gaelic language, which has been spoken in parts of Scotland, Ireland, and the Isle of Man since ancient times. The name is believed to be derived from the Gaelic word "síodhán," which means "fairy" or "faerie folk." This connection to the mythical realm of fairies suggests that the name may have been used to honor or pay tribute to these mystical beings in Celtic folklore.
In its earliest recorded form, the name was spelled as "Sidhán" or "Sídhán," reflecting its Gaelic roots. Over time, various spelling variations emerged, including "Sieanna," "Sianna," and "Sheena." These variations likely arose due to regional dialects and the evolution of language over centuries.
One of the earliest recorded instances of the name Sieanna can be found in the Irish Annals, a collection of medieval chronicles that documented significant events and genealogies in Ireland. The Annals mention a woman named Sídhán who lived in the 7th century and was renowned for her skills as a healer and herbalist.
Throughout history, several notable individuals have borne the name Sieanna or its variations. One such person was Sidhán Ní Chonchubhair (1228-1305), a renowned Irish poet and noblewoman who was celebrated for her literary works and patronage of the arts during the Middle Ages.
Another notable figure was Sidhán Ó Duibhir (1532-1616), an Irish chieftain and military leader who played a pivotal role in the Nine Years' War against English forces in Ulster, fighting to defend Irish sovereignty and traditions.
In Scotland, the name Sieanna was associated with Sidhán MacLeòid (1657-1724), a renowned Highland warrior and clan chief who was renowned for her bravery and leadership during the Jacobite uprisings of the late 17th and early 18th centuries.
During the Victorian era, the name Sieanna gained popularity among certain circles in Britain and Ireland, possibly influenced by the Romantic movement's fascination with Celtic folklore and mythology. One notable figure from this period was Sieanna O'Shaughnessy (1844-1921), an Irish novelist and playwright whose works explored themes of Irish culture and identity.
In more recent times, the name Sieanna has been embraced by individuals of various cultural backgrounds, drawn to its unique sound and connection to Celtic mythology. However, it remains a relatively uncommon name, lending it a sense of distinctiveness and mystique.
People
Sieanna + last name combinations
How many people share a full name with Sieanna as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with S
Other first names starting with S with a similar number of bearers.
FAQ
Sieanna: questions and answers
How many people in the U.S. are named Sieanna?
Name Census puts the figure at roughly 346 living Americans. We arrive at this by taking every SSA birth registration for Sieanna going back to 1880 and adjusting each cohort for expected survival using CDC actuarial life tables. The result is an age-weighted living-bearer count, not a raw birth total. That works out to about 1 in 990,619 US residents.
Is Sieanna a common name?
We classify Sieanna as "Very Rare". It ranks above 80.7% of all first names in the SSA dataset by living bearers. Across the full history of the data, 350 babies have been registered with this name.
When was Sieanna most popular?
The single biggest year for Sieanna was 2009, when 22 babies received the name. The fact that the average living Sieanna is about 16 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
Is Sieanna a female name?
Yes, 100.0% of people registered as Sieanna in the SSA data are female. You can see the full per-sex comparison in the gender distribution section above, which includes the latest year rank, birth count, and peak year for each sex.
Where does this data come from?
First-name figures come from the Social Security Administration's national baby name files, which cover every name on a birth certificate from 1880 to 2024. Living-bearer estimates layer in CDC actuarial life tables broken out by sex to account for mortality. The population baseline (342,754,338) is the Census Bureau's latest national estimate. You can read the full calculation on our methodology page.