I like
Kerensa. With more thought, I might end up loving it (never heard it before).
There's just one thing I think you're perhaps not thinking about. You say "I know it's a bit bold, but I'm an artist, so most people won't care." I'm sure that's true. People might expect an artist to choose a somewhat unusual name. But at age 20, or 30, or 40 ... you get my drift ... people who meet
Kerensa will not be thinking "well, her mother's an artist, so...." In other words,
Kerensa will have her own life, and the fact that you're an artist will become more and more irrelevant to other people, the older
Kerensa gets.