Sierra vs Siera

Side-by-side comparison of Sierra and Siera — popularity rank, total births, peak decade, and historical trends from Social Security Administration data.

Name A

Sierra

Girl name · Rank #596

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Name B

Siera

Girl name · Rank #11358

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Which name is more popular?

Metric Sierra Siera
Current Rank #596 #11358
Total Births (all years) 100,111 2,536
Peak Year 1998 1998
Peak Year Births 5,841 150
Peak Decade 1990ss 1990ss
Gender Girl Girl
First Recorded Year 1940 1983

Births by Decade

Decade Sierra Siera
1940ss 144 —
1950ss 54 —
1960ss 81 —
1970ss 787 —
1980ss 8,846 346
1990ss 43,638 1,246
2000ss 34,532 799
2010ss 9,271 123
2020ss 2,758 22

Recent Annual Births (2014–present)

Year Sierra Siera
2014 949 17
2015 800 —
2016 771 8
2017 704 10
2018 698 8
2019 630 —
2020 567 6
2021 611 —
2022 551 8
2023 524 —
2024 505 8

Data Sources

Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, ssa.gov/oact/babynames.
Source: SSA Annual Name Rankings, 1940–2024.

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