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Isai

#1,139 in 2025Boys' name

Literal meaning not recorded

Isai has been given to 7,385 babies in the U.S. since 1966. In 2025 it ranked #1,139 of 13,926 boys’ names in use. Its peak year was 2007, with 333 recorded.

Babies named Isai, 2025

1 in 17,800

Isai over time, 1880–2025

BoysGirls
010020030040018801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Isai: meaning, origin, and history

Literal meaning not recorded

Deeper origin not confirmed in the cited records

What Isai means

Isai is a given name.

Origin, language, and formation

Isai is used in Rukai.

American usage and historical context

In the United States, 7,340 boys were recorded with the name Isai between 1966 and 2025. Its highest annual count was 333 in 2007; its best national rank was #701 in 2007.

Over 5 years its rank rose, from #1,194 in 2020 to #1,139 in 2025. Over 10 years its rank fell, from #1,031 in 2015 to #1,139 in 2025.

In the United States, 45 girls were recorded with the name Isai between 1990 and 2025. Its highest annual count was 11 in 2025; its best national rank was #9,096 in 2025.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Isai?

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

Among all babies, 2025
1 in 17,800
186 of 3,315,165 births
Among boys only
1 in 9,180
0.01% of boys
Rank, 2025
#1,139
of 13,926 boys’ names in use
Coin-flip room size
12,355 kids
Even odds of a second one

Where Isai 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 5003%

Put another way: gather 12,355 children born in 2025 and it's an even bet that one of them is another Isai. In a class of 30 the chance is Under 1%.

When Isais were born

Half of everyone ever recorded as Isai was born before 2008 — so the typical Isai is around 17 today.

Median birth year
2008
About 17 years old
Biggest decade
2000s
35.7% of all use
Born in the last 25 years
75.8%
A modern name
Recorded since 1950
7,340
People you could plausibly meet
Choose a decade

2000s — 35.7% of all recorded uses (2,622).

Is Isai 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
−76
Places dropped
Rank vs 5 years ago
+55
Places climbed
Rank vs 10 years ago
−108
Places dropped
Births vs 10 years ago
0.94×
Fewer babies than then
Share of its own peak
55.9%
Peak was 2007 (333)
Years since peak
18
Years
Year-to-year steadiness
Steady
9.5% average annual change
Best rank ever
#701
2007

Spellings of Isai

Isai is not the most common spelling — Isaac is, with 22.8% against Isai's 0.50%.

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.

Where Isai is used

Across 2016–2025, Isai was most concentrated in Texas — about 1 in 4,000 boys, against 1 in 8,437 across all states with data. It was least common in Tennessee (1 in 100,000).

125 per 100,000

Most concentrated

  1. 1Texas1 in 4,000
  2. 2Arizona1 in 5,263
  3. 3California1 in 5,556
  4. 4Colorado1 in 6,250
  5. 5Washington1 in 7,143
  6. 6North Carolina1 in 7,692
  7. 7Florida1 in 10,000
  8. 8Georgia1 in 11,111

Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings.

Isai around the world

Where Isai 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
    2018–2024
    #3,255
    in 2024
  • France
    1901–2025
    #2,087
    in 2025
  • Canada
    1996–2006
    #2,447
    in 2006

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

Notable people named Isai

People whose public names include Isai, backed by Wikidata given-name records and ordered by linked Wikimedia pages. The name may be a middle name.

People data from Wikidata (CC0). Fame is measured, not judged — the order reflects how widely each person is documented, not the U.S. birth records popularity this page is otherwise about.

Isai by the numbers

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

As a boy's name

Rank in 2025
#1,139
Trend vs 5 yrs ago
Up 55
Best rank ever
#701
2007
Peak year
2007
333 that year
First recorded
1966
Last recorded
2025
All-time count
7,340
Count in 2025
186

As a girl's name

Rank in 2025
#9,096
Trend vs 5 yrs ago
New entry
Best rank ever
#9,096
2025
Peak year
2025
11 that year
First recorded
1990
Last recorded
2025
All-time count
45
Count in 2025
11

Names similar to Isai

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

IsacIsaakIsaelIsaIsakIsaccIsaihEsaiIsaiasIsadoreIsamSaiIsaiaJasaiIsayahKasaiIsaihaMasaiIsabelIsaisAsaiIsahiIsauroIsaac

Names with a curve like Isai

Not spelling — timing. These names rose, peaked and faded in the same years as Isai, so they read as being from the same moment even when they look nothing alike.

JovaniSeamusSemajKoleJairEanKamronGiancarloJordyImmanuelDravenMisael

Sibling names for Isai

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 Isai

Top names of 2007, Isai's peak yearThe 2000s in fullOther names that peaked in 2007Boys' names starting with I