Writing a story, please help with names.?

I have some name ideas please tell me which ones you think are the nicest.

For a 16 year old girl who has been beaten and is very protective of her sister who also gets beaten. She is meant to be innocent and sweet but strong.

1.) Grace

2.) Eva

3.) Natalie

4.) Jaclyn

5.) Catlyn

6.)Aubrey

7.) Evie

Second is for her little sister who is so so so so sweet and cute but she dies (which I am very sorry about) :P

1.) Sofia

2.) Avery

3.) Isabella

4.) Payton

5.) Olivia

6.) Zoey

For the really fit guy who is basically an Angel and falls in love with the first girl who is really tough and good at his jobs but is a total lad as well.

1.) Nate/ Nathaniel

2.) Logan

3.) Eli

4.) Hayden

5.) Raynor

6.) Ethan

7.) Gabe/ Gabriel

8.) Evan

For the first guys friend who is also an Angel but is a bit more funny and childish and playful but also lad like.

1.) Harry/ Harold

2.) Ryan

3.) Jordan

4.) Cole

5.) Carter

6.) Mason

7.) Jaxson

If you want to suggest more that would be helpful and if you want to change them around that would be good too.

For the two boys could you come up with Christian names relating to angels if you can??

Thankyou so much and could you give your honest opinion about if you would read the books if I had those names!