Izaiah Boy
How popular is Izaiah?
#635 boy name in 2025
439 baby boys were named Izaiah in the US in 2025, making it the 635th most popular boy name.
Izaiah popularity over time
Boys Girls
| Rank in 2025 | #635 for boys (▼ 27 from 2024) |
|---|---|
| Babies in 2025 | 439 boys |
| 10-year trend | Falling (-17% babies vs 2015) |
| Earlier ranks | #538 in 2015, #488 in 2020 |
| Peak year | 2009 (744 boys) |
| Highest rank | #390 in 2011 |
| First recorded | 1984 |
| Boys vs girls (last 10 years) | 100% boys, 0% girls |
| Chance a classmate shares it | 0.3% in a class of 25 kids born in 2025 |
Izaiah counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Isaiah family of names ranked #59 for boys in 2025 (#53 the year before), with 5,830 babies in all.
| Spelling | Boys in 2025 | Share |
|---|---|---|
| Isaiah | 5,267 | 90% |
| Izaiah | 439 | 8% |
| Izayah | 90 | 2% |
| Izaya | 10 | 0% |
| Isayah | 8 | 0% |
| Isaia | 7 | 0% |
| Issaiah | 9 | 0% |
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Where Izaiah is most popular
Babies named Izaiah per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
- New Mexico: 1.1 per 1,000 (36 boys)
- Arizona: 0.7 per 1,000 (113 boys)
- Nevada: 0.7 per 1,000 (39 boys)
- California: 0.5 per 1,000 (478 boys)
- Idaho: 0.4 per 1,000 (18 boys)
Izaiah by decade
Boy names about as popular as Izaiah
Questions
- Is Izaiah a boy or girl name?
- Izaiah is mostly a boy name. Over the last 10 years, 100% of babies named Izaiah were boys.
- How popular is the name Izaiah?
- 439 baby boys were named Izaiah in the US in 2025, making it the 635th most popular boy name.
- When was Izaiah most popular?
- Izaiah peaked in 2009, when 744 boys were given the name. Its highest rank was #390 in 2011.
- How many people are named Izaiah?
- 14,909 babies have been named Izaiah in the US since 1880. We estimate about 14,763 of them are alive in 2026, with a median age of 14.
- Where is Izaiah most popular?
- From 2021 to 2025, Izaiah was most common in New Mexico, at 1.1 of every 1,000 boys born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.