Isai
- US rank
- #1,138
- Syllables
- 2
- Peak
- #700 in 2007
186 babies were named Isai in the US in 2025. It has climbed 56 places in five years.
Found on lists
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US births per million boys, 1966–2025
Most popular states (2025)
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Isai you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 9,183 baby boys born in the US in 2025 was named Isai, 186 babies in all. In a typical school of 500 kids, your Isai would very likely be the only one.
- HistoryIsai first shows up in US birth records in 1966, the first year at least 5 babies got it. It has been in use for 59 years since.
- Best yearIts best year was 2007, when it reached #700.
- TrendIsai has climbed 56 places in the US rankings over the last five years and now sits at #1,138. Fast risers like this often keep climbing, so expect to hear it more.
- Where it's lovedIsai is most popular in Wisconsin, where it ranks #678, followed by Washington (#801) and California (#807). It's in the top 1,000 in 7 states.
About the name Isai
Isai is a boy name of American and Hebrew origin. It has 4 letters and 2 syllables, starting with I and ending in “-sai”. US birth records list Isai for boys from 1966 to 2025, in 53 of those 60 years. Its best year was 2007, when it ranked #700 among boy names. In 2025 it ranked #1,138, with 186 babies.
Origin:American namesHebrew names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1960s | 0.8 | 1,176,471 boys |
| 1970s | 2.9 | 340,136 boys |
| 1980s | 19 | 53,191 boys |
| 1990s | 62 | 16,036 boys |
| 2000s | 131 | 7,635 boys |
| 2010s | 108 | 9,276 boys |
| 2020s | 104 | 9,598 boys |
More American boy names
- Boy name: Henry · ruler of the home
- Unisex name: Maverick · independent, unbranded
- Unisex name: Kai · sea
- Unisex name: Jace · healer
- Boy name: Jaxon · son of Jack
- Boy name: Milo · possibly gracious
- Boy name: Bryson · son of Brice
- Boy name: Louis · famous warrior
Questions about the name Isai
What is the origin of the name Isai?
Isai has American, Hebrew roots in our records. Other American names include Henry, Maverick, Kai.
Is Isai a boy or girl name?
Isai is a boy name, though a few girls get it too.
How popular is the name Isai?
Isai ranked #1,138 for US boys in 2025, given to 186 babies. Its best year was 2007 (#700).