Siera
Siera was the 12990th most popular name for girls in 2025, given to 7 babies. Its best year was 1996, when it ranked 1207th; the most babies were born in 1998 (150). More babies were named Siera in the 1990s than in any other decade.
Meaning (as Sierra) mountain range (Spanish) · Spanish, Latin
- Rank in 2025
- #12,990 girls, up 1,873 places since 2020
- Babies in 2025
- 7girls
- Girls and boys
- Almost always a girl’s name2021–2025
- Peak year
- 1998150 babies
- Total since 1880
- 2,543babies recorded
What does the name Siera mean?
Siera is a spelling of Sierra, pronounced the same way, so it shares Sierra's meaning and origin.
Sierra is a Spanish word name. In Spanish, sierra means a saw and, from the jagged look of a saw blade, a range of mountains; the Real Academia Española and the American Heritage Dictionary both trace it to Latin serra, saw. English borrowed the word for a rugged mountain range with a jagged outline. Wiktionary describes Sierra as a modern American girls' name from the Spanish noun, sometimes confused with the similar-sounding Ciara and Sarah.
sierra (Spanish, “saw; mountain range”)serra (Latin, “saw”)
How sure is this? Well established.
See also: Spanish names, names that mean meadow, hill or valley.
Sources for this meaning
- Real Academia Española, Diccionario de la lengua española (23rd ed., online), entry 'sierra' (etymology), Real Academia Española / ASALE
- The American Heritage Dictionary of the English Language, 5th ed., entry 'sierra' (etymology), HarperCollins / Houghton Mifflin Harcourt
- Wiktionary, entry 'Sierra' (English section), Wiktionary (CC BY-SA 4.0; facts restated, no text reused)
Siera popularity since 1880
| Year | Rank (girls) | Babies (girls) |
|---|---|---|
| 2025 | #12,990 | 7 |
| 2020 | #14,863 | 6 |
| 2010 | #5,088 | 28 |
| 2000 | #1,515 | 121 |
| 1990 | #1,603 | 94 |
| 1980 | — | — |
| 1970 | — | — |
| 1960 | — | — |
| 1950 | — | — |
| 1940 | — | — |
| 1930 | — | — |
| 1920 | — | — |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Siera, counting every spelling?
Siera is a spelling of Sierra, a name family that ranked #546 for girls in 2025 once every spelling is counted together, compared with #12,990 for Siera on its own. Together these spellings went to 551 girls in 2025.
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Siera?
7 of the 3,606,400 babies born in the US in 2025 were named Siera (0.00 per 1,000 births). For a girl named Siera born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 1,224 (of 430 pupils) would have a child named Siera.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Siera?
About 2,500 people born in the US named Siera are alive today, with a median age of 29; half are between 24 and 34. That makes Siera mostly worn by children and young adults.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Siera by state
How common Siera was among girls born in each state in 1996–2000, around its peak. It is notably more common than nationally in Indiana (2.9×), Ohio (1.9×). In 34 states fewer than five girls a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Siera: their share of US girls followed the most similar curve since 1880. If you like Siera, they share its era and feel.
Questions about the name Siera
What does Siera mean?
Siera is a spelling of Sierra, which means “mountain range (Spanish)” (Spanish, Latin origin). Certainty: well established.
How popular is the name Siera?
Siera was the 12990th most popular name for girls in 2025, given to 7 babies. Its best year was 1996, when it ranked 1207th; the most babies were born in 1998 (150). More babies were named Siera in the 1990s than in any other decade.
Is Siera a boy or girl name?
In 2021–2025, almost always a girl’s name given the name Siera in the US.
Where was Siera most popular?
In 1996–2000, Siera was most common in Indiana (0.22 per 1,000 girls), followed by Ohio and Kansas.