How Many People Are Named Isiah?
people named Isiah are alive in the United States today (estimate)
About 1 in 17,652 people in the US has this name
Based on 24,721 babies named Isiah in Social Security records from 1880 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎 Rare
Peak Year
822 births
Trend
Stable (last 10 years)
📖 Name Origin & Meaning
Meaning:
Variant of ISAIAH.
Source of the meaning, origin, pronunciation and related names: Behind the Name.
Same Sound, Other Spellings
These names are pronounced like Isiah in English. Counting Isiah and these spellings together, about 265,322 people alive in the US have the name.
⚧ Gender Distribution
Almost all of the babies given the name Isiah (99.9%) were boys.
👥 Age Distribution
The average person named Isiah alive today is about 28 years old, and 67% are under 30. Half of them were between 18 and 34 in 2025.
📈 Popularity Over Time
Isiah first appears in the records in 1880 and was given most often in 2001, to 822 babies. In 2025, 120 babies got the name.
Babies given the name each year, 1880 to 2025
🏆 Rank History
Isiah has never been one of the 100 most popular boys' names. Its best rank was #268, in 1894. In 2025 it ranked #1,480.
| Boys | |
|---|---|
| Rank in 2025 | #1,480 |
| Best rank | #268 (1894) |
| Years in the top 100 | None |
| Rank in its biggest decade | #400 in the 2000s |
📍 State-Wise Distribution
People named Isiah alive today, by the state where they were born (estimate; state records start in 1910).
More people named Isiah were born in New York than in any other state: about 1,610 of those alive today. Compared with the national rate in the same years, Isiah was given 4.4 times as often in South Carolina, 3.7 times in Mississippi and 3.1 times in Louisiana.
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