I've got 3 dc. Katherine (she goes by kathy or kath), Aidan and Rachel.
I love their names!
But I'd have liked to use Morna, Muirrean, Skye, Eilidh and Iona for girls.
Merthin, Thomas, Harris, Brendan, Jurgen (its my dh name, I love it but he said no) for boys.
What's your "impossible" name?