Youthful or downy-bearded
An elaborate compound name combining Jillian and Anna. Jillian is a medieval English feminine form of Julian, which stems from the Roman family name Julius, while Anna is a Hebrew name meaning grace.
Less common today
Jillianna isn't in the latest US Top 1000. It last peaked at #8,999 in 2012.
US births per 5-year period, 1990–present (SSA data).
