Here are some pretty first-names this site ought to have, although im not sure i'll be very helpful in the origin deffiniton area
caspian- male
samba- male, after a tree from west africa
miko- m,f, probably just another way to spell something else?
aiko, eiko- f,japanese, love child, child from love (or so it was explained to me)
Sidhe- f, celtic, female fairy, pronounced "she"
take care
eva grace