How Common is the First Name Kirby?
We estimate that there are 13,983 people named Kirby who are currently alive and were born in the United States. Kirby is the 1,054th most common for men, and the 1,991st most common overall.
How Old are People Named Kirby?
The average person named Kirby is 45.29 years old.
Is Kirby a Popular Baby Name Right Now?
101 people named Kirby were born in the U.S. in 2025. It was the 2,645th most popular name for girls, and the 3,508th most popular overall.
The popularity of Kirby peaked in 1954, when it was the 396th most popular name for baby boys.
Is Kirby a Boy's Name or a Girl's Name?
Kirby is a unisex name, but more common for men. 73.0% of people named Kirby are male, while 27.0% are female.
Facts About the Name Kirby