I really like
Jenna. I babysit a 1-yr-old
Jenna and she is just the cutest little girl. So I have no problem seeing it on a baby and child, or even on an adult, as I know an older
Jenna too, about 20. So I think yes, it works.
I'd probably consider using
Jenna if only I didn't know one, so it gets a thumbs up from me.