Isaih
Isaih was the 10078th most popular name for boys in 2025, given to 7 babies. Its best year was 1894, when it ranked 1165th; the most babies were born in 1999 (74). Over the last ten years it has moved down 5,129 places. More babies were named Isaih in the 2000s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #10,078 boys, down 4,267 places since 2020
- Babies in 2025
- 7boys
- Girls and boys
- Almost always a boy’s name2021–2025
- Peak year
- 199974 babies
- Total since 1880
- 1,510babies recorded
Isaih popularity since 1880
| Year | Rank (boys) | Babies (boys) |
|---|---|---|
| 2025 | #10,078 | 7 |
| 2020 | #5,811 | 15 |
| 2010 | #3,340 | 33 |
| 2000 | #1,731 | 65 |
| 1990 | #1,989 | 38 |
| 1980 | — | — |
| 1970 | — | — |
| 1960 | — | — |
| 1950 | — | — |
| 1940 | — | — |
| 1930 | — | — |
| 1920 | #4,037 | 6 |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Isaih, counting every spelling?
Isaih is a spelling of Isai, a name family that ranked #1,052 for boys in 2025 once every spelling is counted together, compared with #10,078 for Isaih on its own. Together these spellings went to 193 boys in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Isai | 186 | #1,139 | 918 |
| Isaih | 7 | #10,078 | 36 |
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 Isaih?
7 of the 3,606,400 babies born in the US in 2025 were named Isaih (0.00 per 1,000 births). For a boy named Isaih 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 1,224 (of 430 pupils) would have a child named Isaih.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Isaih?
About 1,300 people born in the US named Isaih are alive today, with a median age of 24; half are between 19 and 29. That makes Isaih 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.
Names with a similar history
These names rose and fell in step with Isaih: their share of US boys followed the most similar curve since 1880. If you like Isaih, they share its era and feel.
Questions about the name Isaih
How popular is the name Isaih?
Isaih was the 10078th most popular name for boys in 2025, given to 7 babies. Its best year was 1894, when it ranked 1165th; the most babies were born in 1999 (74). Over the last ten years it has moved down 5,129 places. More babies were named Isaih in the 2000s than in any other decade.
Is Isaih a boy or girl name?
In 2021–2025, almost always a boy’s name given the name Isaih in the US.