How Many People Are Named Joby?
An estimated 1,148 people in the United States have the first name Joby. It is predominantly male (94.5%). The average bearer is 41 years old, and Joby peaked in popularity in 1976 with 45 births that year.
Below you will find a full statistical profile of Joby 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 Joby paired with any surname.
Estimated Living Americans
1,148
About 1 in 298,566 people in the U.S.
Rarity
Rare
Predicted Gender
Male
94.5% confidence
Average Age
41
years old
Peak Year
1976
45 births
Total Registered
1,242
since 1880
Gender Distribution for Joby
Joby is predominantly male (94.5%), though 68 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Joby as a male name
Ranked #7,981 in 2024
10 male births in 2024
Peak: 1977 (37 births)
Joby as a female name
Ranked #6,262 in 1976
9 female births in 1976
Peak: 1973 (10 births)
Joby: Popularity Over Time
SSA records for Joby span from the 1930s to the 2020s, covering 10 decades of naming data. The most popular decade for this name was the 1970s, when 323 babies were registered. Joby has declined significantly from its peak in the 1970s. Recent registrations are a fraction of what they were at the name's height.
Joby by Decade
How has Joby 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.
Joby by State
Birth registrations for Joby span all 4 states and territories in the SSA database. The highest counts are in Texas, California, Louisiana. The lowest are in Pennsylvania, Louisiana, California. On average, about 8 Jobys were registered per state.
Joby + Last Name Combinations
How many people share a full name with Joby as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Joby
Other first names starting with J with a similar number of bearers.
Joby: Questions and Answers
How many people in the U.S. are named Joby?
We estimate approximately 1,148 people named Joby 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 298,566 Americans share this first name.
Is Joby a common name?
Joby is classified as "Rare" and is more popular than 91% of all first names in the SSA database. A total of 1,242 births have been registered with this name since 1880.
When was Joby most popular?
Joby reached peak popularity in 1976, when 45 babies were given this name. The average age of a living person named Joby is approximately 41 years old, reflecting when the name was most commonly given.
Is Joby a male name?
Joby is predominantly male. 94.5% of people with this name are male. See the gender breakdown above for full details.
How many Joby Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Joby Smith, Joby Johnson, Joby 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 0 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau estimate. Full methodology.
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