Hi !!!
Is McCoy
Thomas the older brother?
Well..this combo is not my cup of tea.
I would suggest a more classic FN for his sibling...
From your list I like:
Piper ElizabethRuby Caroline
I dislike your male-list
Can I suggest you...
Stuart BenedictBlake EdwardScott ArthurOrson DavidMontgomery DeanTodd CharlesSidney VincentShannon XavierBlair Timothy
Do you like any?