I do think it would be odd to have half-siblings named
Thomas and
Tamsin. I like both
Leon and
Leo, but for different reasons -
Leon sounds débonnaire and intellectual,
Leo feels informal and friendly. So it's very possible for someone to like
Leon and dislike
Leo. Yeah sure the
Jay thing works.
masculine list:
https://www.behindthename.com/pnl/191050/124079feminine list:
https://www.behindthename.com/pnl/191050/124080