Siera Girl
How popular is Siera?
#11,928 girl name in 2025
7 baby girls were named Siera in the US in 2025, making it the 11928th most popular girl name.
2,506living people named Siera (est.)
29median age of people named Siera
2,543babies named Siera since 1880
1 in 473,620US babies born in 2025
Siera popularity over time
| Rank in 2025 | #11,928 for girls (▼ 811 from 2024) |
|---|---|
| Babies in 2025 | 7 girls |
| 10-year trend | New in the last 10 years |
| Earlier ranks | #13,448 in 2020 |
| Peak year | 1998 (150 girls) |
| Highest rank | #1,202 in 1996 |
| First recorded | 1983 |
| Boys vs girls (last 10 years) | 0% boys, 100% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Siera counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Sierra family of names ranked #576 for girls in 2025 (#567 the year before), with 488 babies in all.
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Siera by decade
Girl names about as popular as Siera
Questions
- Is Siera a boy or girl name?
- Siera is mostly a girl name. Over the last 10 years, 100% of babies named Siera were girls.
- How popular is the name Siera?
- 7 baby girls were named Siera in the US in 2025, making it the 11928th most popular girl name.
- When was Siera most popular?
- Siera peaked in 1998, when 150 girls were given the name. Its highest rank was #1,202 in 1996.
- How many people are named Siera?
- 2,543 babies have been named Siera in the US since 1880. We estimate about 2,506 of them are alive in 2026, with a median age of 29.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.