How Many People Are Named Mckennah?
An estimated 519 people in the United States have the first name Mckennah. It is almost exclusively a female name. The average bearer is 20 years old, and Mckennah peaked in popularity in 1999 with 31 births that year.
Below you will find a full statistical profile of Mckennah 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 Mckennah paired with any surname.
Estimated Living Americans
519
About 1 in 660,413 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
20
years old
Peak Year
1999
31 births
Total Registered
527
since 1880
Gender Distribution for Mckennah
Mckennah is almost exclusively a female name. Out of 527 total births registered, 100.0% were female.
Mckennah as a female name
Ranked #14,615 in 2024
6 female births in 2024
Peak: 1999 (31 births)
Mckennah: Popularity Over Time
SSA records for Mckennah span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2000s, when 237 babies were registered. Mckennah has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Mckennah by Decade
How has Mckennah 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.
Mckennah by State
Mckennah + Last Name Combinations
How many people share a full name with Mckennah as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Mckennah
Other first names starting with M with a similar number of bearers.
Mckennah: Questions and Answers
How many people in the U.S. are named Mckennah?
We estimate approximately 519 people named Mckennah 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 660,413 Americans share this first name.
Is Mckennah a common name?
Mckennah is classified as "Very Rare" and is more popular than 84.9% of all first names in the SSA database. A total of 527 births have been registered with this name since 1880.
When was Mckennah most popular?
Mckennah reached peak popularity in 1999, when 31 babies were given this name. The average age of a living person named Mckennah is approximately 20 years old, reflecting when the name was most commonly given.
Is Mckennah a female name?
Mckennah is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Mckennah Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Mckennah Smith, Mckennah Johnson, Mckennah 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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