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.
Less common today
Jillian isn't in the latest US Top 1000. It last peaked at #120 in 2000.
US births per 5-year period, 1990–present (SSA data).
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
