Idah
Girls' nameMeaning not yet documented
Idah has been given to 40 babies in the U.S. since 1898. 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 1916, with 7 recorded.
Babies named Idah, 1920
1 in 323,000
Idah 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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.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 Idah?
Idah had fewer than 5 recorded uses in 2025, so these figures use 1920, the last year it was published.
- Among all babies, 1920
- 1 in 323,000
- 7 of 2,262,602 births
- Among girls only
- 1 in 171,000
- <0.01% of girls
- Rank, 1920
- Unranked
- Fewer than 5 uses
- Coin-flip room size
- 224,046 kids
- Even odds of a second one
Where Idah sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 1920 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 224,046 children born in 1920 and it's an even bet that one of them is another Idah. In a class of 30 the chance is Under 1%.
When Idahs were born
Half of everyone ever recorded as Idah was born before 1915 — so the typical Idah is around 110 today.
- Biggest decade
- 1910s
- 70.0% of all use
- Born in the last 25 years
- 100.0%
- A modern name
- Recorded since 1950
- 0
- People you could plausibly meet
1910s — 70.0% of all recorded uses (28).
Is Idah 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 1916 (7)
- Years since peak
- 109
- Years
- Year-to-year steadiness
- Volatile
- 25.6% average annual change
Spellings of Idah
Idah is not the most common spelling — Leah is, with 29.5% against Idah's <0.01%.
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.
Idah around the world
Where Idah ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.
- England & Wales2025–2025#4,201in 2025
Popularity data from Office for National Statistics. ONS data under Open Government Licence v3.0.
Idah by the numbers
The raw record for each sex the name is used for.
Names similar to Idah
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Idah
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.