How Many People Are Named Garreth?
An estimated 410 people in the United States have the first name Garreth. It is almost exclusively a male name. The average bearer is 34 years old, and Garreth peaked in popularity in 1990 with 19 births that year.
Below you will find a full statistical profile of Garreth 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 Garreth paired with any surname.
Estimated Living Americans
410
About 1 in 835,986 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
34
years old
Peak Year
1990
19 births
Total Registered
430
since 1880
Gender Distribution for Garreth
Garreth is almost exclusively a male name. Out of 430 total births registered, 100.0% were male.
Garreth as a male name
Ranked #12,902 in 2017
5 male births in 2017
Peak: 1990 (19 births)
Garreth: Popularity Over Time
SSA records for Garreth span from the 1940s to the 2010s, covering 7 decades of naming data. The most popular decade for this name was the 1990s, when 130 babies were registered. Garreth has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Garreth by Decade
How has Garreth 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.
Garreth by State
Garreth + Last Name Combinations
How many people share a full name with Garreth as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Garreth
Other first names starting with G with a similar number of bearers.
Garreth: Questions and Answers
How many people in the U.S. are named Garreth?
We estimate approximately 410 people named Garreth 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 835,986 Americans share this first name.
Is Garreth a common name?
Garreth is classified as "Very Rare" and is more popular than 82.6% of all first names in the SSA database. A total of 430 births have been registered with this name since 1880.
When was Garreth most popular?
Garreth reached peak popularity in 1990, when 19 babies were given this name. The average age of a living person named Garreth is approximately 34 years old, reflecting when the name was most commonly given.
Is Garreth a male name?
Garreth is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Garreth Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Garreth Smith, Garreth Johnson, Garreth 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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