How Common is the First Name Tilly?
We estimate that there are 2,623 people named Tilly who are currently alive and were born in the United States. Tilly is the 3,484th most common for women, and the 5,657th most common overall.
How Old are People Named Tilly?
The average person named Tilly is 7.65 years old.
Is Tilly a Popular Baby Name Right Now?
302 people named Tilly were born in the U.S. in 2025. It was the 884th most popular name for girls, and the 1,680th most popular overall.
Tilly has never been more popular than it is right now.
Is Tilly a Boy's Name or a Girl's Name?
Tilly is almost exclusively a female name. The Social Security Administration does not record any males born with the name Tilly.
Facts About the Name Tilly
Popularity of Tilly in England
In 2020, Tilly was the 153rd most popular name for girls in England and Wales.