Boys' name · since 1966

Isai

Isai has 7,340 recorded births since 1966 in federal Social Security data, most heavily in 2007 -- full year-by-year trend, decade aggregates, and state rankings follow.

#1,435 of 45,481
all-time among boys
#1,139 of 13,930
2025 SSA year
7,340
born since 1966
2000s
peak decade

7,340 babies have been named Isai since 1966, making it today's #1139 boys' name.

Social Security Administration records show Isai recorded 7,340 times among boys since 1966, holding rank #1139 nationally today, ahead of 92% of boys, peaking in the 2000s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1966 to 2025.

  • #1,435 of 45,481 all-time among boys
  • #1,139 of 13,930 2025 SSA year
  • 7,340 born since 1966
  • 2000s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Isai ranks #1,435 of 45,481 boys' names by all-time recorded births (highest first) and #1,139 of 13,930 among boys' names in 2025. 7,340 born since 1966, peaking in the 2000s.

#1,435 of 45,481
all-time among boys
#1,139 of 13,930
2025 SSA year
7,340
born since 1966
2000s
peak decade
0%100%Median name50%91.8%
Isai vs. every other boys name in current SSA rankings
Upper archive tier
All-time archive position

Isai's 7,340 recorded births place it above 96.84% of the 45,481 boys names in the full SSA archive.

27 jurisdictions
State-record footprint

27 jurisdictions carry state-level records, led by California.

How Isai compares

7,340 Top 11% higher than 89% of 13,930 names currently given to boys

Based on all-time total births among currently-ranked boys names. Names with fewer occurrences are grouped into wider buckets on the right.

Source U.S. Social Security Administration, national baby name data

How the numbers stack up

Isai's all-time total is 20x the median boys name, and Liam still leads by a wide margin.

Metric Isai Median boys name (Takari) #1 boys name (Liam)
All-time total births 7,340 369 358,536
Peak-year births 333 34 22,252

Isai's usage pattern, beyond the headline number

Splitting Isai's full recorded timeline at 1999, 80% of its total births fall in the more recent half of the record versus 20% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1966, with just 6 recorded births -- worth weighing against the 2007 peak of 333 to see the full range of the name's swing in popularity.

Isai popularity over time - boys

Annual U.S. births registered with the Social Security Administration · 1966–2025

Outside the top 1,000
Peak year (2007)
333
Annual births at peak, across 60 years of records
0100200300400 196619801987199420012008201520222025 186

Isai popularity over time - girls

45 total births recorded since 1990 (Isai as girls' name)

Unisex variant - 45 births
4681012 1990199220002002201220242025 11

Isai by decade

2000s is the heaviest window (2,622 births, 36% of the file).

2000s was Isai's strongest decade.

2,622 babies received the name during that ten-year window, about 36% of all-time use.

Isai births by decade

Total births in each ten-year window

births

What this shows Peak: 2000s at 2,622 births (36% of all-time use).

Source U.S. Social Security Administration · Baby Names As of August 2026

How Isai compares to similarly-sized names

Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Isai's total volume

Isai vs 15 similarly-sized boys names Scatter plot of 16 data points. 0%5%10%15%20% 050100150200 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year -146, 1.5%-117, 2.8%-114, 13.8%-52, 4.7%-114, 5.5%-63, 4.6%-109, 7.4%-114, 7%-109, 8.2%-130, 17.6%-45, 6.4%-59, 4.7%-55, 5%-55, 6.6%-140, 3.1%Isai-60, 4.5%Isai
Isai vs 15 similarly-sized boys names

Isai by state

Where Isai concentrates geographically, total births since 1966

Regionally concentrated
Top 8 states by recorded births for the name Isai
Rank State Visual share Births Share of total
#1 California
1,963 26.7%
#2 Texas
1,763 24.0%
#3 Arizona
261 3.6%
#4 Florida
244 3.3%
#5 Illinois
222 3.0%
#6 North Carolina
215 2.9%
#7 New York
181 2.5%
#8 Washington
162 2.2%
California share of Isai's total US births 26.7%
Even split

1,963 of 7,340 births nationwide. Compared to a flat distribution across 27 reporting states.

Isai appears in 27 states. Explore state details →

Frequently Asked Questions

How popular is the name Isai?
Since 1966, Social Security records show 7,340 babies named Isai. Across the full SSA archive it ranks #1,435 of 45,481 boys' names by total births. In 2025, it holds #1,139 of 13,930 among boys. Its busiest year on record was 2007, with 333 births.
Where does Isai sit in the SSA name archive?
According to the U.S. Social Security Administration, Isai ranks #1,435 of 45,481 boys' names by all-time recorded births (highest first) and #1,139 of 13,930 among boys' names in 2025. All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the 2025 SSA file. See /methodology#corpus-placement.
When was Isai most popular?
Isai was most popular in the 2000s decade with 2,622 total births. The single peak year was 2007.
Where is Isai most popular?
The top states for the name Isai are California (1,963 births), Texas (1,763 births), Arizona (261 births).
How long has the name Isai been used?
Records for Isai go back to 1966, giving 60 years of history through 2025.
What names are similar to Isai?
Names with a similar sound or spelling include Isaac, Isaiah, Isaias, Isadore, and 4 more. These share a common prefix and are also used for boys.

What to do with Isai's data

  • Isai's usage has stayed within range of its 2000s decade-level peak (2,622 total births) through the 2020s (1,079) -- a comparatively stable name, not a fading trend.
  • California records the most Isais (1,963 births) -- see the full state breakdown if geography matters to your decision. California names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Keep exploring Isai

Nearby Names Like Isai

Names with a similar sound, spelling, or feel to Isai

Names with a similar popularity rank to Isai

Nationwide names with similar peak year or record span

Two nationwide peer axes for Isai: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.

Data Sources

Data as of August 2026. Source: U.S. Social Security Administration (SSA).

According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1966–2025 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Isai draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.