Dianah
Girls' nameMeaning not yet documented
Dianah has been given to 449 babies in the U.S. since 1943. 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 1958, with 23 recorded.
Babies named Dianah, 2009
1 in 637,000
Dianah 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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.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 Dianah?
Dianah had fewer than 5 recorded uses in 2025, so these figures use 2009, the last year it was published.
- Among all babies, 2009
- 1 in 637,000
- 6 of 3,820,315 births
- Among girls only
- 1 in 306,000
- <0.01% of girls
- Rank, 2009
- Unranked
- Fewer than 5 uses
- Coin-flip room size
- 441,341 kids
- Even odds of a second one
Where Dianah sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 2009 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 441,341 children born in 2009 and it's an even bet that one of them is another Dianah. In a class of 30 the chance is Under 1%.
When Dianahs were born
Half of everyone ever recorded as Dianah was born before 1963 — so the typical Dianah is around 62 today.
- Biggest decade
- 1950s
- 26.9% of all use
- Born in the last 25 years
- 12.9%
- Spread across generations
- Recorded since 1950
- 385
- People you could plausibly meet
1950s — 26.9% of all recorded uses (121).
Is Dianah 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 1958 (23)
- Years since peak
- 67
- Years
- Year-to-year steadiness
- Volatile
- 30.0% average annual change
Spellings of Dianah
Dianah is not the most common spelling — Diane is, with 35.8% against Dianah's 0.03%.
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.
Dianah around the world
Where Dianah 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.
- South Australia1968–1968#679in 1968
Popularity data from Consumer and Business Services (South Australia). CBS SA data under CC BY 4.0.
Dianah by the numbers
The raw record for each sex the name is used for.
Names similar to Dianah
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Dianah
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.