SOME IDEAS.....

Ava Grace
Ava Elizabeth
Holly Elizabeth
Holly Grace (pretty sounding)
Grace Elizabeth (love grace as first name, this one is very classy)
Ava Elizabeth Grace (I dunno how you feel about two middle names, but this sounds so nice)
Ava Holly
Lila Grace (Lila pronounced LY LA)
Violet Grace
Ava Charlotte
Ava Sophia
Sophie Elizabeth
Holly Zahra
Phoebe Allegra
Ava Phoebe
Holly Claire
Holly Laura
Holly Ashley
Lola Elizabeth ( I LOVE Lola)
Catie Grace (or Katie, or Caitlin)
Isla Grace (pronounced eye la)

Boys

Angus Cooper
Hamish Cooper
Aidan Cooper
Angus Rory
Hamish Rory
Aiden Rory
Hamish Jack (this sounds good)
Aiden Jack
Angus Jack
Hamish Lincoln
Angus Lincoln
Angus Joseph
Aiden Joseph
Joseph Hamish
Darcy Aiden
Angus Darcy (sounds nice)
Nathan Cooper
Hamish Nate
Cooper Tate
Cooper Hamish (love this one)
Rory Angus
Jack Cooper
Rory Jack (My son )
Jack Hamish
Jesse Angus
Jesse Aiden
Jesse Hamish
Angus Flynn
Hamish Flynn
Charlie Hamish