How Many People Are Named Idus?
An estimated 17 people in the United States have the first name Idus. It is almost exclusively a male name. The average bearer is 86 years old, and Idus peaked in popularity in 1916 with 12 births that year.
Below you will find a full statistical profile of Idus 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 Idus paired with any surname.
Key Insights
- With an average bearer age of 86, Idus is a vintage name most associated with earlier generations. Most living bearers were born before 1950.
- Idus is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
17
About 1 in 20,162,020 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
86
years old
Peak Year
1916
12 births
Total Registered
165
since 1880
Gender Distribution for Idus
Idus is almost exclusively a male name. Out of 165 total births registered, 100.0% were male.
Idus as a male name
Ranked #3,681 in 1955
6 male births in 1955
Peak: 1916 (12 births)
Idus: Popularity Over Time
SSA records for Idus span from the 1900s to the 1950s, covering 6 decades of naming data. The most popular decade for this name was the 1920s, when 68 babies were registered. Idus has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Idus by Decade
How has Idus 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.
Idus by State
Idus + Last Name Combinations
How many people share a full name with Idus as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Idus
Other first names starting with I with a similar number of bearers.
Idus: Questions and Answers
How many people in the U.S. are named Idus?
We estimate approximately 17 people named Idus 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 20,162,020 Americans share this first name.
Is Idus a common name?
Idus is classified as "Very Rare" and is more popular than 37.6% of all first names in the SSA database. A total of 165 births have been registered with this name since 1880.
When was Idus most popular?
Idus reached peak popularity in 1916, when 12 babies were given this name. The average age of a living person named Idus is approximately 86 years old, reflecting when the name was most commonly given.
Is Idus a male name?
Idus is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Idus Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Idus Smith, Idus Johnson, Idus 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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