Isaiyah

#8,501 in 2025Boys' name

Meaning not yet documented

Isaiyah has been given to 144 babies in the U.S. since 2002. In 2025 it ranked #8,501 of 13,926 boys’ names in use. Its peak year was 2012, with 14 recorded.

Babies named Isaiyah, 2025

1 in 368,000

Isaiyah over time, 1880–2025

Boys
05101518801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.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 Isaiyah?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 368,000
9 of 3,315,165 births
Among boys only
1 in 190,000
<0.01% of boys
Rank, 2025
#8,501
of 13,926 boys’ names in use
Coin-flip room size
255,323 kids
Even odds of a second one

Where Isaiyah sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 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 255,323 children born in 2025 and it's an even bet that one of them is another Isaiyah. In a class of 30 the chance is Under 1%.

When Isaiyahs were born

Half of everyone ever recorded as Isaiyah was born before 2012 — so the typical Isaiyah is around 13 today.

Median birth year
2012
About 13 years old
Biggest decade
2010s
56.3% of all use
Born in the last 25 years
100.0%
A modern name
Recorded since 1950
144
People you could plausibly meet
Choose a decade

2010s — 56.3% of all recorded uses (81).

Is Isaiyah 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
+1,449
Places climbed
Rank vs 10 years ago
−209
Places dropped
Births vs 10 years ago
1.00×
More babies than then
Share of its own peak
64.3%
Peak was 2012 (14)
Years since peak
13
Years
Year-to-year steadiness
Volatile
27.4% average annual change
Best rank ever
#6,104
2012

Spellings of Isaiyah

Isaiyah is not the most common spelling — Isaiah is, with 78.5% against Isaiyah's 0.04%.

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.

Isaiyah around the world

Where Isaiyah 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 & Wales
    2023–2023
    #4,992
    in 2023
  • France
    2023–2025
    #5,882
    in 2025

Popularity data from Office for National Statistics and Institut national de la statistique et des études économiques. ONS data under Open Government Licence v3.0. INSEE data under Licence Ouverte / Etalab 2.0.

Isaiyah by the numbers

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

As a boy's name

Rank in 2025
#8,501
Trend vs 5 yrs ago
Up 1,449
Best rank ever
#6,104
2012
Peak year
2012
14 that year
First recorded
2002
Last recorded
2025
All-time count
144
Count in 2025
9

Names similar to Isaiyah

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

Sibling names for Isaiyah

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

Explore around Isaiyah