How Common is the First Name Jill?
We estimate that there are 183,275 people named Jill who are currently alive and were born in the United States. Jill is the 151st most common for women, and the 307th most common overall.
How Old are People Named Jill?
The average person named Jill is 56.31 years old.
Is Jill a Popular Baby Name Right Now?
21 people named Jill were born in the U.S. in 2025. It was the 5,722nd most popular name for girls, and the 9,947th most popular overall.
The popularity of Jill peaked in 1977, when it was the 41st most popular name for baby girls.
Is Jill a Boy's Name or a Girl's Name?
Jill is almost exclusively a female name. 99.8% of people named Jill are female.