How Common is the First Name Kailey?
We estimate that there are 26,964 people named Kailey who are currently alive and were born in the United States. Kailey is the 759th most common for women, and the 1,361st most common overall.
How Old are People Named Kailey?
The average person named Kailey is 20.40 years old.
Is Kailey a Popular Baby Name Right Now?
153 people named Kailey were born in the U.S. in 2025. It was the 1,417th most popular name for girls, and the 2,653rd most popular overall.
The popularity of Kailey peaked in 2004, when it was the 228th most popular name for baby girls.
Is Kailey a Boy's Name or a Girl's Name?
Kailey is almost exclusively a female name. More than 99.9% of people named Kailey are female.