How Many People Are Named Mirtha?
An estimated 489 people in the United States have the first name Mirtha. It is almost exclusively a female name. The average bearer is 45 years old, and Mirtha peaked in popularity in 1972 with 21 births that year.
Below you will find a full statistical profile of Mirtha 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 Mirtha paired with any surname.
Estimated Living Americans
489
About 1 in 700,929 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
45
years old
Peak Year
1972
21 births
Total Registered
539
since 1880
Gender Distribution for Mirtha
Mirtha is almost exclusively a female name. Out of 539 total births registered, 100.0% were female.
Mirtha as a female name
Ranked #19,535 in 2008
5 female births in 2008
Peak: 1972 (21 births)
Mirtha: Popularity Over Time
SSA records for Mirtha span from the 1940s to the 2000s, covering 7 decades of naming data. The most popular decade for this name was the 1970s, when 129 babies were registered. While Mirtha is less common than at its peak in the 1970s, it remains a well-established name with steady registrations.
Mirtha by Decade
How has Mirtha 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.
Mirtha by State
Birth registrations for Mirtha span all 4 states and territories in the SSA database. The highest counts are in California, Texas, New York. The lowest are in Florida, New York, Texas. On average, about 24 Mirthas were registered per state.
Mirtha + Last Name Combinations
How many people share a full name with Mirtha as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Mirtha
Other first names starting with M with a similar number of bearers.
Mirtha: Questions and Answers
How many people in the U.S. are named Mirtha?
We estimate approximately 489 people named Mirtha 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 700,929 Americans share this first name.
Is Mirtha a common name?
Mirtha is classified as "Very Rare" and is more popular than 84.3% of all first names in the SSA database. A total of 539 births have been registered with this name since 1880.
When was Mirtha most popular?
Mirtha reached peak popularity in 1972, when 21 babies were given this name. The average age of a living person named Mirtha is approximately 45 years old, reflecting when the name was most commonly given.
Is Mirtha a female name?
Mirtha is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Mirtha Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Mirtha Smith, Mirtha Johnson, Mirtha 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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