Iasiah
UnisexBoys' nameGirls' nameMeaning not yet documented
Iasiah has been given to 75 babies in the U.S. since 1996. 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 2002, with 10 recorded. It's used for both sexes: 91% boys, 9% girls all-time.
Babies named Iasiah, 2007
1 in 400,000
Iasiah 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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.
Girls or boys — Iasiah over time
In 2007, Iasiah went to 0% girls and 100% boys.
A sex is only published in years it reached five applications, so a stretch at 0% or 100% means the other side stayed under that floor — not that it was never used.
How common is Iasiah?
Iasiah had fewer than 5 recorded uses in 2025, so these figures use 2007, the last year it was published.
- Among all babies, 2007
- 1 in 400,000
- 10 of 3,997,748 births
- Among boys only
- 1 in 208,000
- <0.01% of boys
- Rank, 2007
- Unranked
- Fewer than 5 uses
- Coin-flip room size
- 277,104 kids
- Even odds of a second one
Where Iasiah sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 2007 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 277,104 children born in 2007 and it's an even bet that one of them is another Iasiah. In a class of 30 the chance is Under 1%.
When Iasiahs were born
Half of everyone ever recorded as Iasiah was born before 2002 — so the typical Iasiah is around 23 today.
- Biggest decade
- 2000s
- 77.9% of all use
- Born in the last 25 years
- 100.0%
- A modern name
- Recorded since 1950
- 68
- People you could plausibly meet
2000s — 77.9% of all recorded uses (53).
Is Iasiah 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 2002 (10)
- Years since peak
- 23
- Years
- Year-to-year steadiness
- Volatile
- 34.2% average annual change
Spellings of Iasiah
Iasiah is not the most common spelling — Isaiah is, with 53.9% against Iasiah'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.
Iasiah by the numbers
The raw record for each sex the name is used for.
As a boy's name
Names similar to Iasiah
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Iasiah
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.