Robert and Stanley for males... they're family names and they're nice and Scottish.

Ella and Cassidy for females, I just like them. There aren't any traditional names for women on either side of my family.

I also think a cool idea for resolving the 'whose family name do our children take dilemma' is for the daughters to take the mother's name, and the sons to take the father's. None of that hypenating stuff, because what if your hyphenated offspring shacks up with another hyphenated offspring? Four last names? No offence to anyone in that situation.