The name Jillian is a girl's name meaning "youthful". Jillian is ranked #574 on our popularity charts and is often added to lists like Reality TV Baby Names and discussed in our forums with posts like "Girls Makeover - Two Middles".
From the experts:
This spelling of Jillian is now much more popular than the original, maybe because the G version invites pronunciation problems.
Find other names based on Jillian using our baby name generator.
Why is this name only meant for girls?