How Many People Are Named Syndey?
An estimated 310 people in the United States have the first name Syndey. It is almost exclusively a female name. The average bearer is 27 years old, and Syndey peaked in popularity in 2001 with 30 births that year.
Below you will find a full statistical profile of Syndey 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 Syndey paired with any surname.
Estimated Living Americans
310
About 1 in 1,105,659 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
27
years old
Peak Year
2001
30 births
Total Registered
318
since 1880
Gender Distribution for Syndey
Syndey is almost exclusively a female name. Out of 318 total births registered, 100.0% were female.
Syndey as a female name
Ranked #13,327 in 2010
8 female births in 2010
Peak: 2001 (30 births)
Syndey: Popularity Over Time
SSA records for Syndey span from the 1980s to the 2010s, covering 4 decades of naming data. The most popular decade for this name was the 1990s, when 156 babies were registered. Syndey has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Syndey by Decade
How has Syndey 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.
Syndey by State
Syndey + Last Name Combinations
How many people share a full name with Syndey as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Syndey
Other first names starting with S with a similar number of bearers.
Syndey: Questions and Answers
How many people in the U.S. are named Syndey?
We estimate approximately 310 people named Syndey 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 1,105,659 Americans share this first name.
Is Syndey a common name?
Syndey is classified as "Very Rare" and is more popular than 79.6% of all first names in the SSA database. A total of 318 births have been registered with this name since 1880.
When was Syndey most popular?
Syndey reached peak popularity in 2001, when 30 babies were given this name. The average age of a living person named Syndey is approximately 27 years old, reflecting when the name was most commonly given.
Is Syndey a female name?
Syndey is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Syndey Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Syndey Smith, Syndey Johnson, Syndey 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.
Search for a full name combination
How Many of Me