I'm not a
Judah fan either, but the -h does make it look familiar and complete.
Juda could be a feminised version - that's what I expected - or even a nn for a
Judith who was avoiding
Judy.
If it were me, I'd stay with
Judah. For a mn, I'd avoid initial vowels and anything Old Testament. Juda(h)
Clive is unexpected; Juda(h)
Nicholas; Juda(h)
Sebastian; Juda(h)
Leslie is pleasantly retro; Juda(h)
Stephen.