How Many People Are Named Guido?
An estimated 1,127 people in the United States have the first name Guido. It is almost exclusively a male name. The average bearer is 56 years old, and Guido peaked in popularity in 1921 with 140 births that year.
Below you will find a full statistical profile of Guido 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 Guido paired with any surname.
Estimated Living Americans
1,127
About 1 in 304,130 people in the U.S.
Rarity
Rare
Predicted Gender
Male
100.0% confidence
Average Age
56
years old
Peak Year
1921
140 births
Total Registered
3,352
since 1880
Gender Distribution for Guido
Guido is almost exclusively a male name. Out of 3,352 total births registered, 100.0% were male.
Guido as a male name
Ranked #11,364 in 2024
6 male births in 2024
Peak: 1921 (140 births)
Guido: Popularity Over Time
SSA records for Guido span from the 1900s to the 2020s, covering 13 decades of naming data. The most popular decade for this name was the 1920s, when 1,012 babies were registered. Guido has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Guido by Decade
How has Guido 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.
Guido by State
Birth registrations for Guido span all 10 states and territories in the SSA database. The highest counts are in New York, Pennsylvania, Massachusetts. The lowest are in Michigan, Connecticut, Ohio. On average, about 182 Guidos were registered per state.
Guido + Last Name Combinations
How many people share a full name with Guido as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Guido
Other first names starting with G with a similar number of bearers.
Guido: Questions and Answers
How many people in the U.S. are named Guido?
We estimate approximately 1,127 people named Guido 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 304,130 Americans share this first name.
Is Guido a common name?
Guido is classified as "Rare" and is more popular than 90.8% of all first names in the SSA database. A total of 3,352 births have been registered with this name since 1880.
When was Guido most popular?
Guido reached peak popularity in 1921, when 140 babies were given this name. The average age of a living person named Guido is approximately 56 years old, reflecting when the name was most commonly given.
Is Guido a male name?
Guido is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Guido Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Guido Smith, Guido Johnson, Guido 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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