NameCensus.

UK girl's name

Siera

An English feminine name derived from the Spanish place name Sierra, meaning "mountain range".

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.

Siera is a girl's name in the UK records. People looking for Siera popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #3318, with 7 babies registered with the name. Its strongest year in the published records was 2023, with 11 births.

This profile covers 40 England and Wales registrations across 7 recorded years from 2015 to 2024. The figures come from ONS England and Wales, 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 64% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 40 living people in the UK are called Siera. 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

  • Siera ranked #3318 for girls in England and Wales in 2024, with 7 registrations.
  • The name peaked in 2023, when 11 girls were registered as Siera.
  • About 40 living people in the UK are estimated to have Siera as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#3318

2024

Births in 2024

7

Latest year

Peak year

2023

11 births

Estimated living

40

2026

Meaning

What does Siera mean?

The name Siera has its origins in Spanish and Italian cultures, tracing back to the late Middle Ages. It is believed to be a variant spelling of the name Sierra, which itself is derived from the Spanish word "sierra" meaning a jagged mountain range or a saw-like ridge.

In Spain, the name Sierra was initially used as a topographic surname, referring to people who lived near or in the mountains. Over time, it transitioned into a feminine given name, with Siera emerging as an alternative spelling. The earliest recorded instances of the name Siera date back to the 15th century in various Spanish and Italian genealogical records.

One of the earliest known individuals with the name Siera was Siera de la Cruz, a Spanish nun and mystic who lived in the late 15th century. She was known for her spiritual visions and writings, which influenced the religious thought of her time.

In the 17th century, Siera Garibaldi was an Italian noblewoman and philanthropist from Genoa. She dedicated her life to supporting the poor and establishing charitable organizations in her region.

During the 18th century, Siera Montoya was a renowned Spanish painter and portraitist. Her works captured the elegance and grandeur of the Spanish aristocracy, and many of her paintings are preserved in museums throughout Europe.

In the 19th century, Siera Alvarez was a Cuban poet and activist who advocated for women's rights and social reform. Her poetry explored themes of freedom, equality, and the struggle for independence.

Another notable figure was Siera Delgado, a Mexican revolutionary who fought alongside Emiliano Zapata during the Mexican Revolution in the early 20th century. She was known for her bravery and unwavering commitment to the cause of land reform and social justice.

While the name Siera has maintained a presence throughout history, it has never achieved widespread popularity. Its unique spelling and connection to the natural landscape have made it a distinctive and evocative choice for parents seeking a name with a rich cultural heritage.

Sourced from namecensus.com.

Popularity

Siera over time

The chart below shows babies named Siera registered in England and Wales in the years where the name appears in the published records, from 2015 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 Siera, the clearest high point is 2023. The latest England and Wales figure is 7 births in 2024, compared with 11 at the peak.

Babies born per year

Siera
036811201520192024

Decades

Siera by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Siera 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 #3480 30 4
2010s #5400 10 3

Related

Names similar to Siera

FAQ

Siera: questions and answers

How popular is the name Siera in the UK right now?

In 2024, Siera was ranked #3318 for girls in England and Wales, with 7 births registered.

When was Siera most popular?

The peak year on record was 2023, with 11 babies registered as Siera in England and Wales.

What is the meaning and origin of Siera?

An English feminine name derived from the Spanish place name Sierra, meaning "mountain range".

How many people are called Siera in the UK?

A total of 40 babies have been registered as Siera across the 7 years of ONS England & Wales records shown here.

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.