Thedora
Girls' nameMeaning not yet documented
Thedora has been given to 103 babies in the U.S. since 1915. 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 1925, with 9 recorded.
Babies named Thedora, 1956
1 in 824,000
Thedora over time, 1880–2025
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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.
How common is Thedora?
Thedora had fewer than 5 recorded uses in 2025, so these figures use 1956, the last year it was published.
- Among all babies, 1956
- 1 in 824,000
- 5 of 4,122,003 births
- Among girls only
- 1 in 401,000
- <0.01% of girls
- Rank, 1956
- Unranked
- Fewer than 5 uses
- Coin-flip room size
- 571,432 kids
- Even odds of a second one
Where Thedora sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 1956 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 571,432 children born in 1956 and it's an even bet that one of them is another Thedora. In a class of 30 the chance is Under 1%.
When Thedoras were born
Half of everyone ever recorded as Thedora was born before 1928 — so the typical Thedora is around 97 today.
- Biggest decade
- 1920s
- 45.6% of all use
- Born in the last 25 years
- 39.8%
- Spread across generations
- Recorded since 1950
- 31
- People you could plausibly meet
1920s — 45.6% of all recorded uses (47).
Is Thedora 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 1925 (9)
- Years since peak
- 100
- Years
- Year-to-year steadiness
- Shifting
- 21.9% average annual change
Spellings of Thedora
Thedora is not the most common spelling — Theodora is, with 40.9% against Thedora's 0.33%.
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.
Thedora by the numbers
The raw record for each sex the name is used for.
Names similar to Thedora
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Thedora
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.