Duckgoose's list "Favorite Girl names" of 3 great name ideas: Jillian - Serra!

Favorite Girl names

This spelling of Jillian is now much more popular than the original, maybe because the G version invites pronunciation problems. 

Jillian

This spelling adds a little more femininity to the neutral Lee.  Leigh and sister Lee were quite popular in the 1960s and 1970s among the first cool wave of unisex names for girls, but now have vanished from the Top 1000.  The Biblical Leah is preferred.

Leigh

This topographical name, more suited to a girl than a boy--though it would inevitably be confused with SARAH--has some distinguished bearers: famous Spanish missionary to Mexico Father Junipero Serra, and sculptor Richard Serra, known for his challenging large-scale metal works.