NameCensus.
Very Rare

Iasiah

Of Hebrew origin, meaning "salvation of the Lord".

Name Census estimates that about 74 living Americans carry the first name Iasiah. It is a predominantly male name (90.7% of registrations). The average person named Iasiah today is around 23 years old, and the year with the single highest number of Iasiah births was 2006 (14 babies).

This page is the full Name Census profile for Iasiah. 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 Iasiah. It is among the rarest names in the SSA records.

People living today

74

~ 1 in 4,631,815 Americans

Peak year

2006

14 babies that year

Average age

23

years old

2007 SSA rank

#7,809

Tracked since 1996

Gender

Gender distribution for Iasiah

Iasiah leans heavily male at 90.7% of total registrations, but 7 girls have also been registered with the name over the years, giving it a small but present crossover presence.

91% male
Male68 (90.7%)Female7 (9.3%)

Iasiah as a male name

  • Ranked #7,809 in 2007
  • 10 male births in 2007
  • Peak: 2002 (10 births)

Iasiah as a female name

  • Ranked #14,126 in 2006
  • 7 female births in 2006
  • Peak: 2006 (7 births)

Popularity

Iasiah: popularity over time

The SSA tracks Iasiah from the 1990s through to the 2000s, spanning 2 decades of birth certificate data. The biggest single decade for the name was the 2000s, with 60 total registrations. The name continues to be given at rates close to its all-time high, suggesting it has not yet fallen out of fashion.

Babies born per year

MaleFemale
047111420002005

Decades

Iasiah 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 Iasiah during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.

DecadeMaleFemaleTotal
1990s15015
2000s53760

Origin

Meaning and history of Iasiah

The name Iasiah has its origins rooted in ancient Hebrew culture and language. It is believed to be a variant spelling of the biblical name Isaiah, which means "Yahweh is salvation" or "the Lord is salvation." The name's earliest recorded usage dates back to the 8th century BC, when the prophet Isaiah lived and preached in the ancient Kingdom of Judah.

The Book of Isaiah, one of the major prophetic texts in the Hebrew Bible, is attributed to the prophet Isaiah. This book contains some of the most poetic and influential passages in the Old Testament, including prophecies about the coming of the Messiah and the future redemption of Israel. As such, the name Iasiah carries a rich spiritual and religious significance within the Judeo-Christian tradition.

One of the earliest recorded individuals with the name Iasiah was a minor biblical figure mentioned in the Book of Ezra, a scribe who accompanied Ezra from Babylon to Jerusalem during the Jewish return from exile in the 5th century BC. In the medieval period, Iasiah was the name of a 12th-century Spanish Jewish philosopher and poet, known for his works on ethics and religious philosophy.

Throughout history, there have been several notable figures who bore the name Iasiah. In the 16th century, Iasiah ben Abraham Tishby was a prominent Kabbalist and Rabbi in Safed, Palestine, known for his commentary on the Zohar, a central text of Jewish mysticism. In the 19th century, Iasiah Berlin was a Russian-born British social and political theorist, philosopher, and historian, best known for his work on the concept of liberty and his insights into the ideas of the Enlightenment.

Another famous Iasiah was Iasiah Doran, a 19th-century African American preacher and abolitionist from Maryland, who played a significant role in the Underground Railroad, helping enslaved people escape to freedom. In the 20th century, Iasiah Leggett was an American politician who served as the County Executive of Montgomery County, Maryland, from 2006 to 2018.

While not as common as some other biblical names, Iasiah has maintained a presence throughout history, carrying the weight of its ancient Hebrew origins and the legacy of the prophet Isaiah. Its enduring use reflects the importance of this name within the Judeo-Christian tradition and its continued appeal as a name with deep spiritual and cultural significance.

People

Iasiah + last name combinations

How many people share a full name with Iasiah 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

Iasiah: questions and answers

How many people in the U.S. are named Iasiah?

Name Census puts the figure at roughly 74 living Americans. We arrive at this by taking every SSA birth registration for Iasiah 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 4,631,815 US residents.

Is Iasiah a common name?

We classify Iasiah as "Very Rare". It ranks above 60.2% of all first names in the SSA dataset by living bearers. Across the full history of the data, 75 babies have been registered with this name.

When was Iasiah most popular?

The single biggest year for Iasiah was 2006, when 14 babies received the name. The fact that the average living Iasiah is about 23 years old gives you a rough sense of which era contributed the most bearers who are still alive today.

Is Iasiah a male name?

Yes, 90.7% of people registered as Iasiah 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.

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.

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Iasiah

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