How Many People Are Named Mackinley?
An estimated 765 people in the United States have the first name Mackinley. It is used for both genders, with 54.0% female. The average bearer is 17 years old, and Mackinley peaked in popularity in 2012 with 37 births that year.
Below you will find a full statistical profile of Mackinley 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 Mackinley paired with any surname.
Estimated Living Americans
765
About 1 in 448,045 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
54.0% confidence
Average Age
17
years old
Peak Year
2012
37 births
Total Registered
774
since 1880
Gender Distribution for Mackinley
Mackinley is a genuinely unisex name, used for both males (46.0%) and females (54.0%). Out of 774 total births registered, 356 were male and 418 were female.
Mackinley as a male name
Ranked #10,490 in 2024
7 male births in 2024
Peak: 1999 (23 births)
Mackinley as a female name
Ranked #10,725 in 2024
9 female births in 2024
Peak: 2018 (28 births)
Mackinley: Popularity Over Time
SSA records for Mackinley span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2010s, when 282 babies were registered. While Mackinley is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Mackinley by Decade
How has Mackinley 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.
Mackinley + Last Name Combinations
How many people share a full name with Mackinley as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Mackinley
Other first names starting with M with a similar number of bearers.
Mackinley: Questions and Answers
How many people in the U.S. are named Mackinley?
We estimate approximately 765 people named Mackinley 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 448,045 Americans share this first name.
Is Mackinley a common name?
Mackinley is classified as "Very Rare" and is more popular than 88.2% of all first names in the SSA database. A total of 774 births have been registered with this name since 1880.
When was Mackinley most popular?
Mackinley reached peak popularity in 2012, when 37 babies were given this name. The average age of a living person named Mackinley is approximately 17 years old, reflecting when the name was most commonly given.
Is Mackinley a female name?
Mackinley is predominantly female. 54.0% of people with this name are female. See the gender breakdown above for full details.
How many Mackinley Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Mackinley Smith, Mackinley Johnson, Mackinley 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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