Sidora

Girls' name

Diminutive of Isidora

Sidora has been given to 5 babies in the U.S. since 2010. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 2010, with 5 recorded.

Babies named Sidora, 2010

1 in 739,000

Sidora over time, 1880–2025

Girls

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Sidora: meaning, origin, and history

Diminutive of Isidora

Deeper origin not confirmed in the cited records

What Sidora means

Sidora is a diminutive of Isidora.

Origin, language, and formation

Sidora is used in Asturian.

Related names and everyday forms

Related names include Isidora.

Pronunciation and spelling

In Asturian, Sidora is pronounced /siˈdoɾa/.

American usage and historical context

In the United States, 5 girls were recorded with the name Sidora between 2010 and 2010. Its highest annual count was 5 in 2010; its best national rank was #19,442 in 2010.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Sidora?

Sidora had fewer than 5 recorded uses in 2025, so these figures use 2010, the last year it was published.

Among all babies, 2010: 1 in 739,000; 5 of 3,695,928 births
Among girls only: 1 in 355,000; <0.01% of girls
Rank, 2010: Unranked; Fewer than 5 uses
Coin-flip room size: 512,366 kids; Even odds of a second one

Where Sidora sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

Chance at least one other child shares the name

If the other children were drawn at random from the 2010 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%

Class of 30Under 1%

Grade of 100Under 1%

School of 500Under 1%

Put another way: gather 512,366 children born in 2010 and it's an even bet that one of them is another Sidora. In a class of 30 the chance is Under 1%.

When Sidoras were born

Half of everyone ever recorded as Sidora was born before 2010 — so the typical Sidora is around 15 today.

Median birth year: 2010; About 15 years old
Biggest decade: 2010s; 100.0% of all use
Born in the last 25 years: 100.0%; A modern name
Recorded since 1950: 5; People you could plausibly meet

Choose a decade

2010s — 100.0% of all recorded uses (5).

Is Sidora rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago: —; Not ranked then
Rank vs 5 years ago: New entry; Not ranked then
Rank vs 10 years ago: —; Not ranked then
Births vs 10 years ago: —; Not published both years
Share of its own peak: 0%; Peak was 2010 (5)
Years since peak: 15; Years
Year-to-year steadiness: Not enough data; Too few years
Best rank ever: #19,442; 2010

Spellings of Sidora

Sidora is not the most common spelling — Dora is, with 41.2% against Sidora's <0.01%.

Dora41.2%105,930
Sierra39.1%100,597
Kimora3.8%9,869
Isadora1.8%4,668
Eldora1.6%4,065
Simona1.6%4,038
Siera0.99%2,543
Sedona0.93%2,381

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Sidora by the numbers

The raw record for each sex the name is used for.

As a girl's name

Rank in 2025: Unranked
Trend vs 5 yrs ago: —
Best rank ever: #19,442; 2010
Peak year: 2010; 5 that year
First recorded: 2010
Last recorded: 2010
All-time count: 5
Count in 2025: Under 5

Names similar to Sidora

Matched on shared beginnings and endings, similar length, and comparable popularity.

Xalora Zymora Jazora Naimora Sidona Miora Tenora Tomora Jabora Komora Kanora Salora Zakora Zalora Astora Kaiora Lamora Sykora Semora Ramora Ahlora Namora Sidna Avrora

Sibling names for Sidora

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

For a sister

Jordynn Hayleigh Heidy Carleigh Paityn Jocelynn Lailah Kayleen

For a brother

Jerimiah Rylee Jordyn Giovanny Zavier Tristian Aaden Chace

Explore around Sidora

Top names of 2010, Sidora's peak year The 2010s in full Other names that peaked in 2010 Girls' names starting with S Asturian Girl Names Asturian Names