How Many People Are Named Phylliss?
An estimated 264 people in the United States have the first name Phylliss. It is almost exclusively a female name. The average bearer is 73 years old, and Phylliss peaked in popularity in 1950 with 25 births that year.
Below you will find a full statistical profile of Phylliss 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 Phylliss paired with any surname.
Key Insights
- With an average bearer age of 73, Phylliss is a vintage name most associated with earlier generations. Most living bearers were born before 1963.
Estimated Living Americans
264
About 1 in 1,298,312 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
73
years old
Peak Year
1950
25 births
Total Registered
597
since 1880
Gender Distribution for Phylliss
Phylliss is almost exclusively a female name. Out of 597 total births registered, 100.0% were female.
Phylliss as a female name
Ranked #7,732 in 1970
6 female births in 1970
Peak: 1950 (25 births)
Phylliss: Popularity Over Time
SSA records for Phylliss span from the 1910s to the 1970s, covering 7 decades of naming data. The most popular decade for this name was the 1950s, when 151 babies were registered. Phylliss has declined significantly from its peak in the 1950s. Recent registrations are a fraction of what they were at the name's height.
Phylliss by Decade
How has Phylliss 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.
Phylliss by State
Phylliss + Last Name Combinations
How many people share a full name with Phylliss as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Phylliss
Other first names starting with P with a similar number of bearers.
Phylliss: Questions and Answers
How many people in the U.S. are named Phylliss?
We estimate approximately 264 people named Phylliss 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 1,298,312 Americans share this first name.
Is Phylliss a common name?
Phylliss is classified as "Very Rare" and is more popular than 77.7% of all first names in the SSA database. A total of 597 births have been registered with this name since 1880.
When was Phylliss most popular?
Phylliss reached peak popularity in 1950, when 25 babies were given this name. The average age of a living person named Phylliss is approximately 73 years old, reflecting when the name was most commonly given.
Is Phylliss a female name?
Phylliss is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Phylliss Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Phylliss Smith, Phylliss Johnson, Phylliss 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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