Isiah
Isiah was the 1480th most popular name for boys in 2025, given to 120 babies. Its best year was 1894, when it ranked 268th; the most babies were born in 2001 (822). Over the last ten years it has moved down 390 places. More babies were named Isiah in the 2000s than in any other decade.
Meaning variant of Isaiah; "Yahweh is salvation" · Hebrew, English
Say it eye-ZY-uh /aɪˈzaɪə/
- Rank in 2025
- #1,480 boys, down 123 places since 2020
- Babies in 2025
- 120boys
- Girls and boys
- Almost always a boy’s name2021–2025
- Peak year
- 2001822 babies
- Total since 1880
- 24,721babies recorded
What does the name Isiah mean?
Isiah is a spelling of Isaiah, the Old Testament prophet. Isaiah comes through Greek from the Hebrew Yeshayahu, "Yahweh is salvation" (DMNES). The prophet's book is one of the major books of the Hebrew Bible and the Christian Old Testament. The spelling Isiah reflects the usual American pronunciation, eye-ZY-uh. Isiah was most popular in the US in the 1990s and 2000s, alongside the more common Isaiah.
יְשַׁעְיָהוּ (Biblical Hebrew, “Yeshayahu, "Yahweh is salvation"”)
How sure is this? Well established.
Related names: Isaiah, Isaias, Izaiah.
See also: Hebrew names, names that mean God.
Sources for this meaning
- Wiktionary, entry 'Isiah', Wiktionary (Wikimedia Foundation)
- Dictionary of Medieval Names from European Sources, ed. S. L. Uckelman, Edition 2023 no. 1, s.v. 'Isaiah', DMNES (Durham University)
Isiah popularity since 1880
A few girls are given the name too: 11 since 1996.
| Year | Rank (boys) | Babies (boys) |
|---|---|---|
| 2025 | #1,480 | 120 |
| 2020 | #1,357 | 131 |
| 2010 | #589 | 424 |
| 2000 | #343 | 797 |
| 1990 | #433 | 511 |
| 1980 | #1,141 | 64 |
| 1970 | #1,244 | 45 |
| 1960 | #947 | 64 |
| 1950 | #698 | 97 |
| 1940 | #668 | 83 |
| 1930 | #602 | 103 |
| 1920 | #555 | 123 |
| 1910 | #330 | 56 |
| 1900 | #321 | 44 |
| 1890 | #306 | 32 |
| 1880 | #385 | 20 |
How popular is Isiah, counting every spelling?
Isiah is the most common spelling of a name family that ranked #1,246 for boys in 2025 once every spelling is counted together, compared with #1,480 for Isiah on its own. Together these spellings went to 147 boys in 2025.
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Isiah?
120 of the 3,606,400 babies born in the US in 2025 were named Isiah (0.03 per 1,000 births). For a boy named Isiah born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 70 (of 430 pupils) would have a child named Isiah.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Isiah?
About 19,300 people born in the US named Isiah are alive today, with a median age of 26; half are between 19 and 34. That makes Isiah mostly worn by children and young adults.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Isiah by state
How common Isiah was among boys born in each state in 2021–2025. It is notably more common than nationally in Ohio (1.6×), Illinois (1.5×). In 31 states fewer than five boys a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Isiah: their share of US boys followed the most similar curve since 1880. If you like Isiah, they share its era and feel.
Middle names for Isiah · Sibling names for Isiah
Questions about the name Isiah
What does Isiah mean?
Isiah means “variant of Isaiah; "Yahweh is salvation"” (Hebrew, English origin). Certainty: well established.
How popular is the name Isiah?
Isiah was the 1480th most popular name for boys in 2025, given to 120 babies. Its best year was 1894, when it ranked 268th; the most babies were born in 2001 (822). Over the last ten years it has moved down 390 places. More babies were named Isiah in the 2000s than in any other decade.
Is Isiah a boy or girl name?
In 2021–2025, almost always a boy’s name given the name Isiah in the US.
Where is Isiah most popular?
In 2021–2025, Isiah was most common in Ohio (0.13 per 1,000 boys), followed by Illinois and Louisiana.