How Many People Are Named Sydnor?
An estimated 0 people in the United States have the first name Sydnor. It is almost exclusively a male name. The average bearer is 0 years old, and Sydnor peaked in popularity in 1925 with 7 births that year.
Below you will find a full statistical profile of Sydnor 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 Sydnor paired with any surname.
Key Insights
- Sydnor is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
0
About 1 in 1 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
0
years old
Peak Year
1925
7 births
Total Registered
7
since 1880
Gender Distribution for Sydnor
Sydnor is almost exclusively a male name. Out of 7 total births registered, 100.0% were male.
Sydnor as a male name
Ranked #3,702 in 1925
7 male births in 1925
Peak: 1925 (7 births)
Sydnor: Popularity Over Time
Sydnor by Decade
How has Sydnor 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.
| Decade | Total | Male | Female | |
|---|---|---|---|---|
| 1920s | 7 | 7 | 0 | |
Sydnor + Last Name Combinations
How many people share a full name with Sydnor as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Sydnor
Other first names starting with S with a similar number of bearers.
Sydnor: Questions and Answers
How many people in the U.S. are named Sydnor?
We estimate approximately 0 people named Sydnor 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 1 Americans share this first name.
Is Sydnor a common name?
Sydnor is classified as "Very Rare" and is more popular than 2.9% of all first names in the SSA database. A total of 7 births have been registered with this name since 1880.
When was Sydnor most popular?
Sydnor reached peak popularity in 1925, when 7 babies were given this name. The average age of a living person named Sydnor is approximately 0 years old, reflecting when the name was most commonly given.
Is Sydnor a male name?
Sydnor is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Sydnor Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Sydnor Smith, Sydnor Johnson, Sydnor 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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