How Many People Are Named Sydny?
An estimated 263 people in the United States have the first name Sydny. It is almost exclusively a female name. The average bearer is 27 years old, and Sydny peaked in popularity in 2000 with 33 births that year.
Below you will find a full statistical profile of Sydny 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 Sydny paired with any surname.
Estimated Living Americans
263
About 1 in 1,303,248 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
27
years old
Peak Year
2000
33 births
Total Registered
270
since 1880
Gender Distribution for Sydny
Sydny is almost exclusively a female name. Out of 270 total births registered, 100.0% were female.
Sydny as a female name
Ranked #14,429 in 2013
7 female births in 2013
Peak: 2000 (33 births)
Sydny: Popularity Over Time
SSA records for Sydny span from the 1980s to the 2010s, covering 4 decades of naming data. The most popular decade for this name was the 1990s, when 142 babies were registered. Sydny has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Sydny by Decade
How has Sydny 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.
Sydny + Last Name Combinations
How many people share a full name with Sydny as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Sydny
Other first names starting with S with a similar number of bearers.
Sydny: Questions and Answers
How many people in the U.S. are named Sydny?
We estimate approximately 263 people named Sydny 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 1,303,248 Americans share this first name.
Is Sydny a common name?
Sydny is classified as "Very Rare" and is more popular than 77.7% of all first names in the SSA database. A total of 270 births have been registered with this name since 1880.
When was Sydny most popular?
Sydny reached peak popularity in 2000, when 33 babies were given this name. The average age of a living person named Sydny is approximately 27 years old, reflecting when the name was most commonly given.
Is Sydny a female name?
Sydny is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Sydny Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Sydny Smith, Sydny Johnson, Sydny 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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