Siomara
Feminine
Siomara writes with an s a name that Spanish-speaking families usually write with an x, and the x version is the older one. Where either spelling comes from is genuinely open: the leading suggestion takes it back to a figure in the Arthurian romances, by way of Portugal.
How old is the name Siomara?
Siomara first appears in US birth records in 1969 — 56 years ago. The typical Siomara alive today was born around 1999, making them about 26 years old. About 700 people named Siomara are estimated to be alive in the US today.
When was the name Siomara most popular?
Siomara peaked in 1993, reaching #3987 nationally. See the whole 1993 chart.
Lists built from the same records:
Where it comes from
Origin, sound and short forms
Our story of Siomara
Guiomar is a name from the romances: it belongs to a knight in some versions of the Arthurian cycle, and to a lady in others, which is itself a sign of how freely those stories were rewritten as they crossed languages. Portuguese and Spanish kept it in real use long after the romances stopped being read, and it turns up attached to real women in medieval Iberian records — a royal mistress, a countess, a nun. The Germanic compound behind it joins a word about woods or battle to one about fame, in the ordinary manner of those names. How it might have traveled from there to a modern American spelling with an x or an s at the front is not documented, and the gap is wide enough that the connection has to be offered as the best available guess rather than as a descent.
Meaningnot established
Not established
No derivation has been established. The proposal with most behind it connects the name to Guiomar, a Germanic compound that reached Iberia early and turns up in medieval romance; another line of guesswork makes it a modern Latin American build. Glosses offered online — ready for war, beautiful lady — are attached after the fact and rest on nothing.
Pronouncing Siomara
see-oh-MAR-ah
Four syllables with the stress on the third. In Spanish the x of the usual spelling is said as an s, so the two spellings sound identical and only look different.
Nicknames for Siomara
Moderate
What the data says
146 years of official birth records
The long climb, and where it stands now
The same years in position rather than babies
- First recorded
- 1969
- Most girls named
- 200630 — the highest on record
- Peak rank
- #3987reached in 1993
- Change vs 2022
- −22.2%7 in 2023, from 9
Rank is a position, a count is a headcount, and they move independently — a name can hold its rank while the number of babies behind it falls. Source: U.S. Social Security Administration.
Siomara in other languages
The same name elsewhere
- Xiomara in Spanish — spelling variant
- Guiomar in Portuguese — related form
Siomaras among us
people named Siomara are estimated to be alive in the US today
Estimated from SSA birth records and published actuarial life tables. Method
Is it right for you
Questions parents actually ask
Fashion outlook
Siomara sits outside the current charts, and that is its own kind of answer: naming cycles can only date the names they carried up. A name this rare has no decade stamped on it — it cannot go out of fashion, because it was never in.
Based on 146 years of naming cycles. How we read them
The trade-off
- The s spelling removes the one letter English readers reliably get wrong.
- Mara detaches cleanly and is a standing name.
- Four syllables with a strong third gives the name a definite rhythm.
- Xiomara is the commoner spelling and will be written for it constantly.
- English speakers will try to make four syllables into three.
- No origin is settled, so the confident meanings circulating for it are not evidence of anything.
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Siomara
Feminine
Frequently asked
- How many Siomaras are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 700 people named Siomara are estimated to be alive in the US today.
- How popular is the name Siomara in 2025?
- Siomara is rarely given in the US today — it does not rank in the top 2000 girl names.
- Will my child share the name Siomara with classmates?
- Siomara will almost certainly be the only one in school.
More S names
The most-given names starting with S, all years combined.
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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