Izaia
A masculine name of Japanese origin meaning "God's fountain".
Name Census estimates that about 89 living Americans carry the first name Izaia. The name is used almost exclusively for boys. The average person named Izaia today is around 21 years old, and the year with the single highest number of Izaia births was 2004 (10 babies).
This page is the full Name Census profile for Izaia. 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 Izaia. It is among the rarest names in the SSA records.
People living today
89
~ 1 in 3,851,172 Americans
Peak year
2004
10 babies that year
Average age
21
years old
2014 SSA rank
#12,805
Tracked since 1998
Popularity
Izaia: popularity over time
The SSA tracks Izaia from the 1990s through to the 2010s, spanning 3 decades of birth certificate data. The biggest single decade for the name was the 2000s, with 70 total registrations. Usage has dropped considerably from its 2000s peak. The most recent decade brought in only a fraction of the registrations that the name once attracted.
Babies born per year
Decades
Izaia 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 Izaia during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Origin
Meaning and history of Izaia
The given name Izaia has its origins rooted in the Hebrew language, derived from the biblical name Yeshayahu, which translates to "Yahweh is salvation" or "the Lord is salvation." This ancient Semitic name can be traced back to the 8th century BC, a period when the Hebrew prophet Isaiah lived and preached in the ancient Kingdom of Judah.
Izaia is a variant spelling of the name Isaiah, which appears numerous times in the Old Testament of the Bible, particularly in the Book of Isaiah. This book, attributed to the prophet Isaiah, contains profound prophecies and is considered one of the most influential works in the Hebrew scriptures.
One of the earliest recorded individuals bearing the name Izaia was the biblical prophet Isaiah himself, who lived in Jerusalem during the reign of King Hezekiah. His prophecies and teachings had a significant impact on the religious and cultural landscape of the ancient Israelites.
Throughout history, several notable figures have carried variations of the name Izaia. In the 5th century AD, Izaia of Tyre was a Byzantine monk and historian who wrote about the Persian conquests in the Near East. Around the 11th century, Izaia de Jerusalem was a prominent Talmudic scholar and rabbi from the Holy Land.
During the Renaissance period, Izaia da Pisa (1445-1517) was an Italian mathematician and astrologer who made contributions to the field of algebra. In the 17th century, Izaia de Brito (1585-1668) was a Portuguese Jesuit missionary and author who worked in India and Ethiopia.
Another notable figure was Izaia Lufuma (1896-1974), a Congolese politician and activist who played a significant role in the independence movement of the Democratic Republic of the Congo. He served as the Prime Minister of the Congolese government in the early 1960s.
While the name Izaia has its roots in ancient Hebrew culture, it has been adopted and adapted by various communities across the world, reflecting the diverse and rich tapestry of human history and cultural exchange.
People
Izaia + last name combinations
How many people share a full name with Izaia 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
Izaia: questions and answers
How many people in the U.S. are named Izaia?
Name Census puts the figure at roughly 89 living Americans. We arrive at this by taking every SSA birth registration for Izaia 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 3,851,172 US residents.
Is Izaia a common name?
We classify Izaia as "Very Rare". It ranks above 62.9% of all first names in the SSA dataset by living bearers. Across the full history of the data, 90 babies have been registered with this name.
When was Izaia most popular?
The single biggest year for Izaia was 2004, when 10 babies received the name. The fact that the average living Izaia is about 21 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
Is Izaia a male name?
Yes, 100.0% of people registered as Izaia 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.