Origin:Latin
Popularity:1794
Meaning:youthful
This name sounds like you’re singing it when you say it. It’s got more substance than Jill and more followers than the original spelling, Gillian. It’s a form of Julius and has been a name since the 17th century. Personal trainer Jillian Michaels, who’s known for her tough-love technique, especially on 'The Biggest Loser', is one winning namesake.

Popularity Trend Chart

Roll over the visual for detailed rankings by year.

Source: Social Security Administration

Not sure you have the perfect name? Search to add more baby names to your My Favorites list.