How Many People Are Named Merilou?
An estimated 2 people in the United States have the first name Merilou. It is almost exclusively a female name. The average bearer is 98 years old, and Merilou peaked in popularity in 1935 with 6 births that year.
Below you will find a full statistical profile of Merilou 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 Merilou paired with any surname.
Key Insights
- With an average bearer age of 98, Merilou is a vintage name most associated with earlier generations. Most living bearers were born before 1938.
- Merilou is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
2
About 1 in 171,377,169 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
98
years old
Peak Year
1935
6 births
Total Registered
12
since 1880
Gender Distribution for Merilou
Merilou is almost exclusively a female name. Out of 12 total births registered, 100.0% were female.
Merilou as a female name
Ranked #4,009 in 1936
6 female births in 1936
Peak: 1935 (6 births)
Merilou: Popularity Over Time
Merilou by Decade
How has Merilou 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.
| Decade | Total | Male | Female | |
|---|---|---|---|---|
| 1930s | 12 | 0 | 12 | |
Merilou + Last Name Combinations
How many people share a full name with Merilou as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Merilou
Other first names starting with M with a similar number of bearers.
Merilou: Questions and Answers
How many people in the U.S. are named Merilou?
We estimate approximately 2 people named Merilou 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 171,377,169 Americans share this first name.
Is Merilou a common name?
Merilou is classified as "Very Rare" and is more popular than 4.3% of all first names in the SSA database. A total of 12 births have been registered with this name since 1880.
When was Merilou most popular?
Merilou reached peak popularity in 1935, when 6 babies were given this name. The average age of a living person named Merilou is approximately 98 years old, reflecting when the name was most commonly given.
Is Merilou a female name?
Merilou is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Merilou Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Merilou Smith, Merilou Johnson, Merilou 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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