In Asturian usage, Sidora is a diminutive of Isidora.
The story
Published U.S. birth records include this spelling as early as 2010. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Sidora through the years
Babies since 1880
5
0 boys · 5 girls
Most popular year
2010
5 babies
2025
0
Outside the ranked list
2021–25 vs 2016–20
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Too few births to compare
Sidora in U.S. Social Security birth records, 2010–2025, per million girls born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.
By the numbers
The most recent published U.S. birth count for girls is 5 in 2010. Later missing counts do not mean the name went unused.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Sidora’s family of names
In Asturian usage, Sidora is a diminutive of Isidora.