Isahiah
A masculine name of Hebrew origin meaning "Yahweh is salvation".
Name Census estimates that about 5 living Americans carry the first name Isahiah. The name is used almost exclusively for boys. The average person named Isahiah today is around 27 years old, and the year with the single highest number of Isahiah births was 1999 (5 babies).
This page is the full Name Census profile for Isahiah. Below you will find a gender breakdown showing how the name splits between male and female registrations, a year-by-year popularity chart stretching back to 1880, decade-level totals, the top US states for this name, its meaning and etymology, and a set of frequently asked questions with data-backed answers.
Key insights
- • Fewer than 100 living Americans are believed to carry the name Isahiah. It is among the rarest names in the SSA records.
People living today
5
~ 1 in 68,550,868 Americans
Peak year
1999
5 babies that year
Average age
27
years old
1999 SSA rank
#10,547
Tracked since 1999
Popularity
Isahiah: popularity over time
Babies born per year
Decades
Isahiah by decade
The table below breaks the full SSA timeline into ten-year windows. Each row shows how many male and female babies were given the name Isahiah during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
| Decade | Male | Female | Total |
|---|---|---|---|
| 1990s | 5 | 0 | 5 |
Origin
Meaning and history of Isahiah
The name Isahiah is derived from the Hebrew name Yeshayahu, which translates to "YHWH is salvation" or "Yahweh is salvation." This name has its roots in the ancient Hebrew language, dating back to biblical times.
The most well-known bearer of this name is the Hebrew prophet Isaiah, who lived in the 8th century BCE. He is revered in Judaism, Christianity, and Islam as a major prophet whose writings are included in the Hebrew Bible and the Christian Old Testament. The Book of Isaiah is one of the most significant works in these religious texts, containing prophecies and teachings that have had a profound impact on all three Abrahamic faiths.
In the New Testament of the Christian Bible, the name Isaiah is mentioned several times, particularly in reference to the fulfillment of his prophecies concerning the coming of the Messiah. This further solidified the importance of the name in Christian tradition.
Outside of religious texts, one of the earliest recorded bearers of the name was Isahiah ben Avraham Halevi, a 12th-century Spanish Jewish scholar and philosopher who lived in Castile, Spain. He was known for his commentaries on various Jewish texts and his contributions to the field of Jewish philosophy.
Another notable historical figure with this name was Isahiah Tiffany (1788-1862), an American entrepreneur and silversmith from Connecticut. He founded the renowned Tiffany & Co. jewelry company in 1837, which has since become a global luxury brand.
In the realm of literature, Isahiah Berlin (1909-1997) was a British philosopher and historian of Russian-Jewish descent. He is widely regarded as one of the most influential thinkers of the 20th century, known for his contributions to the study of political theory, liberalism, and the concept of value pluralism.
Another prominent bearer of the name was Isahiah Bowman (1878-1950), an American geographer and president of Johns Hopkins University from 1935 to 1948. He played a crucial role in the development of modern geography and was a key advisor to presidents during World War II.
While the name Isahiah may have originated from a specific cultural and linguistic context, its historical significance and the achievements of its bearers have transcended geographical boundaries, making it a name with a rich and multifaceted heritage.
People
Isahiah + last name combinations
How many people share a full name with Isahiah as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with I
Other first names starting with I with a similar number of bearers.
FAQ
Isahiah: questions and answers
How many people in the U.S. are named Isahiah?
Name Census puts the figure at roughly 5 living Americans. We arrive at this by taking every SSA birth registration for Isahiah going back to 1880 and adjusting each cohort for expected survival using CDC actuarial life tables. The result is an age-weighted living-bearer count, not a raw birth total. That works out to about 1 in 68,550,868 US residents.
Is Isahiah a common name?
We classify Isahiah as "Very Rare". It ranks above 18.2% of all first names in the SSA dataset by living bearers. Across the full history of the data, 5 babies have been registered with this name.
When was Isahiah most popular?
The single biggest year for Isahiah was 1999, when 5 babies received the name. The fact that the average living Isahiah is about 27 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
What does the SSA popularity chart show?
The chart tracks births, not the number of people alive with the name today. Each point shows how many babies were given the name Isahiah in that year. That makes it useful for spotting when the name rose, peaked, or faded.
Is Isahiah a male name?
Yes, 100.0% of people registered as Isahiah in the SSA data are male. You can see the full per-sex comparison in the gender distribution section above, which includes the latest year rank, birth count, and peak year for each sex.
Is Isahiah still being used today?
Yes. The SSA still recorded Isahiah in 2024, and the page above shows its latest-year rank where available. A name can be well past its peak and still remain in steady use, especially if it built up a large population over earlier decades.
Why can a name have a lot of living bearers even if it is not trendy now?
Because living-bearer counts and current baby-name popularity measure different things. A name like Isahiah can build up a very large population over many decades, even if fewer parents are choosing it now than they did at its peak.
Where does this data come from?
First-name figures come from the Social Security Administration's national baby name files, which cover every name on a birth certificate from 1880 to 2024. Living-bearer estimates layer in CDC actuarial life tables broken out by sex to account for mortality. The population baseline (342,754,338) is the Census Bureau's latest national estimate. You can read the full calculation on our methodology page.
Does every first name have Census demographic data?
No. The public Census first-name release only covers names that met the Bureau's publication rules, so many rarer names in the SSA files do not have a published Census demographic snapshot. In those cases, the page still shows the SSA trend, gender history, and state data.
How many Americans are named Isahiah?
Want to know how many people share the name Isahiah? HowManyOfMe.org, our sister site, puts the living-bearer count front and centre.