How Many People Are Named Bly?
An estimated 59 people in the United States have the first name Bly. It is used for both genders, with 83.3% male. The average bearer is 19 years old, and Bly peaked in popularity in 2002 with 12 births that year.
Below you will find a full statistical profile of Bly 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 Bly paired with any surname.
Key Insights
- Bly is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
59
About 1 in 5,809,396 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
83.3% confidence
Average Age
19
years old
Peak Year
2002
12 births
Total Registered
60
since 1880
Gender Distribution for Bly
Bly is predominantly male (83.3%), though 10 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Bly as a male name
Ranked #9,822 in 2010
7 male births in 2010
Peak: 2002 (12 births)
Bly as a female name
Ranked #15,644 in 2021
5 female births in 2021
Peak: 2015 (5 births)
Bly: Popularity Over Time
SSA records for Bly span from the 2000s to the 2020s, covering 3 decades of naming data. The most popular decade for this name was the 2000s, when 43 babies were registered. Bly has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Bly by Decade
How has Bly 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.
Bly + Last Name Combinations
How many people share a full name with Bly as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Bly
Other first names starting with B with a similar number of bearers.
Bly: Questions and Answers
How many people in the U.S. are named Bly?
We estimate approximately 59 people named Bly 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 5,809,396 Americans share this first name.
Is Bly a common name?
Bly is classified as "Very Rare" and is more popular than 56.8% of all first names in the SSA database. A total of 60 births have been registered with this name since 1880.
When was Bly most popular?
Bly reached peak popularity in 2002, when 12 babies were given this name. The average age of a living person named Bly is approximately 19 years old, reflecting when the name was most commonly given.
Is Bly a male name?
Bly is predominantly male. 83.3% of people with this name are male. See the gender breakdown above for full details.
How many Bly Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Bly Smith, Bly Johnson, Bly 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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