so here is what I found - Kat your names means the same thing mine does, Sarah and Sera your names mean lady or princess in Hebrew. Mark your name means warlike from the latin. Nick your name victory of the people in Greek. Mother your name mean gracious in God (it's English). Dad, Ross means red rose in latin. Little bro your name means crown in Greek. And Mornay, dude, I'm sorry but apparently your name isn't in the database, so you have no meaning at all! (I don't mean that really)
Now, Sarah, don't go getting a big head, we know that you like to think that you are a princess but are still not going to treat you like one.
These means actually suit a couple of you rather well, I'm sure you know who you are!