How Many People Are Named Mackay?
An estimated 293 people in the United States have the first name Mackay. It is predominantly male (92.9%). The average bearer is 18 years old, and Mackay peaked in popularity in 1996 with 14 births that year.
Below you will find a full statistical profile of Mackay 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 Mackay paired with any surname.
Estimated Living Americans
293
About 1 in 1,169,810 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
92.9% confidence
Average Age
18
years old
Peak Year
1996
14 births
Total Registered
297
since 1880
Gender Distribution for Mackay
Mackay is predominantly male (92.9%), though 21 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Mackay as a male name
Ranked #9,499 in 2024
8 male births in 2024
Peak: 2012 (13 births)
Mackay as a female name
Ranked #19,369 in 2007
5 female births in 2007
Peak: 1996 (6 births)
Mackay: Popularity Over Time
SSA records for Mackay span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2000s, when 107 babies were registered. While Mackay is less common than at its peak in the 2000s, it remains a well-established name with steady registrations.
Mackay by Decade
How has Mackay 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.
Mackay by State
Mackay + Last Name Combinations
How many people share a full name with Mackay as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Mackay
Other first names starting with M with a similar number of bearers.
Mackay: Questions and Answers
How many people in the U.S. are named Mackay?
We estimate approximately 293 people named Mackay 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 1,169,810 Americans share this first name.
Is Mackay a common name?
Mackay is classified as "Very Rare" and is more popular than 78.9% of all first names in the SSA database. A total of 297 births have been registered with this name since 1880.
When was Mackay most popular?
Mackay reached peak popularity in 1996, when 14 babies were given this name. The average age of a living person named Mackay is approximately 18 years old, reflecting when the name was most commonly given.
Is Mackay a male name?
Mackay is predominantly male. 92.9% of people with this name are male. See the gender breakdown above for full details.
How many Mackay Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Mackay Smith, Mackay Johnson, Mackay 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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