Youthful or downy-bearded
Jillian is a feminine form of Julian, which derives from the Roman family name Julius. It historically emerged as a distinct English variant of Gillian during the Middle Ages. While it was highly popular in the late 20th century, it has since become a rare, vintage choice for modern parents.
About 177 girls were named Jillian in 2025.
Personal trainer and television personality
Comedic actress and screenwriter
Professional wrestler
Award-winning illustrator and graphic novelist
Character in the film 'The Girl Next Door' · The Girl Next Door
The same feel as Jillian — far less common.
Hidden gems that stand out.
US births per 5-year period, 1990–present (SSA data).
