How Many People Are Named Millissa?
An estimated 294 people in the United States have the first name Millissa. It is almost exclusively a female name. The average bearer is 51 years old, and Millissa peaked in popularity in 1968 with 23 births that year.
Below you will find a full statistical profile of Millissa 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 Millissa paired with any surname.
Estimated Living Americans
294
About 1 in 1,165,831 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
51
years old
Peak Year
1968
23 births
Total Registered
329
since 1880
Gender Distribution for Millissa
Millissa is almost exclusively a female name. Out of 329 total births registered, 100.0% were female.
Millissa as a female name
Ranked #14,730 in 1992
5 female births in 1992
Peak: 1968 (23 births)
Millissa: Popularity Over Time
SSA records for Millissa span from the 1950s to the 1990s, covering 5 decades of naming data. The most popular decade for this name was the 1970s, when 145 babies were registered. Millissa has declined significantly from its peak in the 1970s. Recent registrations are a fraction of what they were at the name's height.
Millissa by Decade
How has Millissa 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.
Millissa + Last Name Combinations
How many people share a full name with Millissa as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Millissa
Other first names starting with M with a similar number of bearers.
Millissa: Questions and Answers
How many people in the U.S. are named Millissa?
We estimate approximately 294 people named Millissa 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 1,165,831 Americans share this first name.
Is Millissa a common name?
Millissa is classified as "Very Rare" and is more popular than 79% of all first names in the SSA database. A total of 329 births have been registered with this name since 1880.
When was Millissa most popular?
Millissa reached peak popularity in 1968, when 23 babies were given this name. The average age of a living person named Millissa is approximately 51 years old, reflecting when the name was most commonly given.
Is Millissa a female name?
Millissa is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Millissa Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Millissa Smith, Millissa Johnson, Millissa 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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