How Many People Are Named Zacariah?
An estimated 449 people in the United States have the first name Zacariah. It is predominantly male (98.9%). The average bearer is 22 years old, and Zacariah peaked in popularity in 2008 with 21 births that year.
Below you will find a full statistical profile of Zacariah as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Zacariah paired with any surname.
Estimated Living Americans
449
About 1 in 763,373 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
98.9% confidence
Average Age
22
years old
Peak Year
2008
21 births
Total Registered
457
since 1880
Gender Distribution for Zacariah
Zacariah is predominantly male (98.9%), though 5 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Zacariah as a male name
Ranked #9,833 in 2024
8 male births in 2024
Peak: 2007 (19 births)
Zacariah as a female name
Ranked #20,421 in 2008
5 female births in 2008
Peak: 2008 (5 births)
Zacariah: Popularity Over Time
SSA records for Zacariah span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 2000s, when 144 babies were registered. While Zacariah is less common than at its peak in the 2000s, it remains a well-established name with steady registrations.
Zacariah by Decade
How has Zacariah tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Zacariah by State
Zacariah + Last Name Combinations
How many people share a full name with Zacariah as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Zacariah
Other first names starting with Z with a similar number of bearers.
Zacariah: Questions and Answers
How many people in the U.S. are named Zacariah?
We estimate approximately 449 people named Zacariah are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 763,373 Americans share this first name.
Is Zacariah a common name?
Zacariah is classified as "Very Rare" and is more popular than 83.5% of all first names in the SSA database. A total of 457 births have been registered with this name since 1880.
When was Zacariah most popular?
Zacariah reached peak popularity in 2008, when 21 babies were given this name. The average age of a living person named Zacariah is approximately 22 years old, reflecting when the name was most commonly given.
Is Zacariah a male name?
Zacariah is predominantly male. 98.9% of people with this name are male. See the gender breakdown above for full details.
How many Zacariah Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Zacariah Smith, Zacariah Johnson, Zacariah Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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