Sierra Girl
How popular is Sierra?
#614 girl name in 2025
476 baby girls were named Sierra in the US in 2025, making it the 614th most popular girl name.
Sierra popularity over time
Boys Girls
| Rank in 2025 | #614 for girls (▼ 21 from 2024) |
|---|---|
| Babies in 2025 | 476 girls |
| 10-year trend | Falling (-41% babies vs 2015) |
| Earlier ranks | #404 in 2015, #531 in 2020 |
| Peak year | 1998 (5,841 girls) |
| Highest rank | #49 in 1999 |
| First recorded | 1940 |
| Boys vs girls (last 10 years) | 0% boys, 100% girls |
| Chance a classmate shares it | 0.3% in a class of 25 kids born in 2025 |
Sierra 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.
Where Sierra is most popular
Babies named Sierra per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
- New Mexico: 1.4 per 1,000 (33 girls)
- Nevada: 1.0 per 1,000 (48 girls)
- California: 0.8 per 1,000 (656 girls)
- Idaho: 0.7 per 1,000 (25 girls)
- Alaska: 0.7 per 1,000 (6 girls)
Sierra by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1940s | 144 | #1,313 |
| 1950s | 54 | #4,276 |
| 1960s | 81 | #3,210 |
| 1970s | 787 | #903 |
| 1980s | 8,846 | #155 |
| 1990s | 43,638 | #49 |
| 2000s | 34,534 | #53 |
| 2010s | 9,272 | #214 |
| 2020s | 3,241 | #508 |
Girl names about as popular as Sierra
Questions
- Is Sierra a boy or girl name?
- Sierra is mostly a girl name. Over the last 10 years, 100% of babies named Sierra were girls.
- How popular is the name Sierra?
- 476 baby girls were named Sierra in the US in 2025, making it the 614th most popular girl name.
- When was Sierra most popular?
- Sierra peaked in 1998, when 5,841 girls were given the name. Its highest rank was #49 in 1999.
- How many people are named Sierra?
- 100,866 babies have been named Sierra in the US since 1880. We estimate about 99,435 of them are alive in 2026, with a median age of 27.
- Where is Sierra most popular?
- From 2021 to 2025, Sierra was most common in New Mexico, at 1.4 of every 1,000 girls born there.
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.