How Many People Are Named Glennis?
An estimated 1,199 people in the United States have the first name Glennis. It is used for both genders, with 74.0% female. The average bearer is 69 years old, and Glennis peaked in popularity in 1947 with 80 births that year.
Below you will find a full statistical profile of Glennis 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 Glennis paired with any surname.
Key Insights
- With an average bearer age of 69, Glennis is a vintage name most associated with earlier generations. Most living bearers were born before 1967.
Estimated Living Americans
1,199
About 1 in 285,867 people in the U.S.
Rarity
Rare
Predicted Gender
Female
74.0% confidence
Average Age
69
years old
Peak Year
1947
80 births
Total Registered
2,777
since 1880
Gender Distribution for Glennis
Glennis is a genuinely unisex name, used for both males (26.0%) and females (74.0%). Out of 2,777 total births registered, 721 were male and 2,056 were female.
Glennis as a male name
Ranked #7,109 in 1986
5 male births in 1986
Peak: 1956 (26 births)
Glennis as a female name
Ranked #12,631 in 1997
6 female births in 1997
Peak: 1947 (62 births)
Glennis: Popularity Over Time
SSA records for Glennis span from the 1910s to the 1990s, covering 9 decades of naming data. The most popular decade for this name was the 1940s, when 589 babies were registered. Glennis has declined significantly from its peak in the 1940s. Recent registrations are a fraction of what they were at the name's height.
Glennis by Decade
How has Glennis 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.
Glennis by State
Birth registrations for Glennis span all 11 states and territories in the SSA database. The highest counts are in Kentucky, Georgia, Maine. The lowest are in Nebraska, Minnesota, California. On average, about 27 Glenniss were registered per state.
Glennis + Last Name Combinations
How many people share a full name with Glennis as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Glennis
Other first names starting with G with a similar number of bearers.
Glennis: Questions and Answers
How many people in the U.S. are named Glennis?
We estimate approximately 1,199 people named Glennis 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 285,867 Americans share this first name.
Is Glennis a common name?
Glennis is classified as "Rare" and is more popular than 91.2% of all first names in the SSA database. A total of 2,777 births have been registered with this name since 1880.
When was Glennis most popular?
Glennis reached peak popularity in 1947, when 80 babies were given this name. The average age of a living person named Glennis is approximately 69 years old, reflecting when the name was most commonly given.
Is Glennis a female name?
Glennis is predominantly female. 74.0% of people with this name are female. See the gender breakdown above for full details.
How many Glennis Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Glennis Smith, Glennis Johnson, Glennis 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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